From d9fb51394cd9d355d86d022c240ef60bfaa90f7a Mon Sep 17 00:00:00 2001 From: William Petit Date: Mon, 27 Apr 2020 22:43:42 +0200 Subject: [PATCH] Frontend/backend project structure + Base implementation of a differential synchronization based on Neil Fraser article/talk See https://www.youtube.com/watch?v=S2Hp_1jqpY8 --- .dockerignore | 6 +- .gitignore | 11 +- Dockerfile | 11 +- LICENCE | 661 ++++++++++++++++++ Makefile | 14 +- package-lock.json => client/package-lock.json | 5 + package.json => client/package.json | 1 + {src => client/src}/assets/favicon.ico | Bin .../assets/icons/android-chrome-192x192.png | Bin .../assets/icons/android-chrome-512x512.png | Bin .../src}/assets/icons/apple-touch-icon.png | Bin .../src}/assets/icons/favicon-16x16.png | Bin .../src}/assets/icons/favicon-32x32.png | Bin .../src}/assets/icons/mstile-150x150.png | Bin {src => client/src}/components/app.tsx | 0 .../src}/components/editable-text/index.tsx | 0 .../components/editable-text/style.module.css | 0 .../editable-text/style.module.css.d.ts | 0 .../src}/components/estimation-range.tsx | 0 .../src}/components/header/index.tsx | 0 .../src}/components/header/style.module.css | 0 .../components/header/style.module.css.d.ts | 0 .../src}/components/project-time-unit.tsx | 0 {src => client/src}/components/tabs/index.tsx | 0 .../src}/components/tabs/style.module.css | 0 .../components/tabs/style.module.css.d.ts | 0 .../src}/hooks/use-local-storage.ts | 0 {src => client/src}/hooks/use-media-query.ts | 0 client/src/hooks/use-previous.ts | 11 + .../src}/hooks/use-project-estimations.ts | 0 .../src}/hooks/use-project-reducer.ts | 0 client/src/hooks/use-server-sync.ts | 57 ++ .../src}/hooks/use-stored-project-list.ts | 0 {src => client/src}/index.html | 0 {src => client/src}/index.js | 0 {src => client/src}/models/params.ts | 0 {src => client/src}/models/project.ts | 0 {src => client/src}/models/task.ts | 0 {src => client/src}/routes/home/index.tsx | 0 .../src}/routes/home/style.module.css | 0 .../src}/routes/home/style.module.css.d.ts | 0 {src => client/src}/routes/notfound/index.tsx | 0 .../src}/routes/notfound/style.module.css | 0 .../routes/notfound/style.module.css.d.ts | 0 .../src}/routes/project/estimation-tab.tsx | 0 .../src}/routes/project/export-tab.tsx | 0 .../src}/routes/project/financial-preview.tsx | 0 {src => client/src}/routes/project/index.tsx | 2 + .../src}/routes/project/params-tab.tsx | 0 .../routes/project/repartition-preview.tsx | 0 .../src}/routes/project/style.module.css | 0 .../src}/routes/project/style.module.css.d.ts | 0 .../routes/project/task-categories-table.tsx | 0 .../src}/routes/project/tasks-table.tsx | 0 .../src}/routes/project/time-preview.tsx | 0 {src => client/src}/style/index.css | 0 {src => client/src}/style/index.css.d.ts | 0 {src => client/src}/util/stat.ts | 0 {src => client/src}/util/storage.ts | 0 {src => client/src}/util/uuid.ts | 0 tsconfig.json => client/tsconfig.json | 0 webpack.config.js => client/webpack.config.js | 6 + modd.conf | 19 + server/.env | 1 + server/.env.dist | 1 + server/cmd/server/container.go | 24 + server/cmd/server/main.go | 117 ++++ server/go.mod | 18 + server/go.sum | 268 +++++++ server/internal/config/config.go | 77 ++ server/internal/config/provider.go | 9 + server/internal/config/service.go | 33 + server/internal/diffsync/backup.go | 21 + server/internal/diffsync/diff_patch.go | 31 + server/internal/diffsync/document.go | 56 ++ server/internal/diffsync/error.go | 9 + server/internal/diffsync/json/diff_patch.go | 42 ++ server/internal/diffsync/json/json_test.go | 169 +++++ server/internal/diffsync/json/option.go | 10 + server/internal/diffsync/option.go | 34 + server/internal/diffsync/peer.go | 151 ++++ server/internal/diffsync/shadow.go | 40 ++ server/internal/diffsync/versioned.go | 14 + server/internal/route/mount.go | 12 + server/internal/route/project.go | 109 +++ server/internal/storm/error.go | 9 + server/internal/storm/option.go | 51 ++ server/internal/storm/provider.go | 48 ++ server/internal/storm/service.go | 34 + 89 files changed, 2178 insertions(+), 14 deletions(-) create mode 100644 LICENCE rename package-lock.json => client/package-lock.json (99%) rename package.json => client/package.json (97%) rename {src => client/src}/assets/favicon.ico (100%) rename {src => client/src}/assets/icons/android-chrome-192x192.png (100%) rename {src => client/src}/assets/icons/android-chrome-512x512.png (100%) rename {src => client/src}/assets/icons/apple-touch-icon.png (100%) rename {src => client/src}/assets/icons/favicon-16x16.png (100%) rename {src => client/src}/assets/icons/favicon-32x32.png (100%) rename {src => client/src}/assets/icons/mstile-150x150.png (100%) rename {src => client/src}/components/app.tsx (100%) rename {src => client/src}/components/editable-text/index.tsx (100%) rename {src => client/src}/components/editable-text/style.module.css (100%) rename {src => client/src}/components/editable-text/style.module.css.d.ts (100%) rename {src => client/src}/components/estimation-range.tsx (100%) rename {src => client/src}/components/header/index.tsx (100%) rename {src => client/src}/components/header/style.module.css (100%) rename {src => client/src}/components/header/style.module.css.d.ts (100%) rename {src => client/src}/components/project-time-unit.tsx (100%) rename {src => client/src}/components/tabs/index.tsx (100%) rename {src => client/src}/components/tabs/style.module.css (100%) rename {src => client/src}/components/tabs/style.module.css.d.ts (100%) rename {src => client/src}/hooks/use-local-storage.ts (100%) rename {src => client/src}/hooks/use-media-query.ts (100%) create mode 100644 client/src/hooks/use-previous.ts rename {src => client/src}/hooks/use-project-estimations.ts (100%) rename {src => client/src}/hooks/use-project-reducer.ts (100%) create mode 100644 client/src/hooks/use-server-sync.ts rename {src => client/src}/hooks/use-stored-project-list.ts (100%) rename {src => client/src}/index.html (100%) rename {src => client/src}/index.js (100%) rename {src => client/src}/models/params.ts (100%) rename {src => client/src}/models/project.ts (100%) rename {src => client/src}/models/task.ts (100%) rename {src => client/src}/routes/home/index.tsx (100%) rename {src => client/src}/routes/home/style.module.css (100%) rename {src => client/src}/routes/home/style.module.css.d.ts (100%) rename {src => client/src}/routes/notfound/index.tsx (100%) rename {src => client/src}/routes/notfound/style.module.css (100%) rename {src => client/src}/routes/notfound/style.module.css.d.ts (100%) rename {src => client/src}/routes/project/estimation-tab.tsx (100%) rename {src => client/src}/routes/project/export-tab.tsx (100%) rename {src => client/src}/routes/project/financial-preview.tsx (100%) rename {src => client/src}/routes/project/index.tsx (96%) rename {src => client/src}/routes/project/params-tab.tsx (100%) rename {src => client/src}/routes/project/repartition-preview.tsx (100%) rename {src => client/src}/routes/project/style.module.css (100%) rename {src => client/src}/routes/project/style.module.css.d.ts (100%) rename {src => client/src}/routes/project/task-categories-table.tsx (100%) rename {src => client/src}/routes/project/tasks-table.tsx (100%) rename {src => client/src}/routes/project/time-preview.tsx (100%) rename {src => client/src}/style/index.css (100%) rename {src => client/src}/style/index.css.d.ts (100%) rename {src => client/src}/util/stat.ts (100%) rename {src => client/src}/util/storage.ts (100%) rename {src => client/src}/util/uuid.ts (100%) rename tsconfig.json => client/tsconfig.json (100%) rename webpack.config.js => client/webpack.config.js (94%) create mode 100644 modd.conf create mode 100644 server/.env create mode 100644 server/.env.dist create mode 100644 server/cmd/server/container.go create mode 100644 server/cmd/server/main.go create mode 100644 server/go.mod create mode 100644 server/go.sum create mode 100644 server/internal/config/config.go create mode 100644 server/internal/config/provider.go create mode 100644 server/internal/config/service.go create mode 100644 server/internal/diffsync/backup.go create mode 100644 server/internal/diffsync/diff_patch.go create mode 100644 server/internal/diffsync/document.go create mode 100644 server/internal/diffsync/error.go create mode 100644 server/internal/diffsync/json/diff_patch.go create mode 100644 server/internal/diffsync/json/json_test.go create mode 100644 server/internal/diffsync/json/option.go create mode 100644 server/internal/diffsync/option.go create mode 100644 server/internal/diffsync/peer.go create mode 100644 server/internal/diffsync/shadow.go create mode 100644 server/internal/diffsync/versioned.go create mode 100644 server/internal/route/mount.go create mode 100644 server/internal/route/project.go create mode 100644 server/internal/storm/error.go create mode 100644 server/internal/storm/option.go create mode 100644 server/internal/storm/provider.go create mode 100644 server/internal/storm/service.go diff --git a/.dockerignore b/.dockerignore index 563ba71..ae7c191 100644 --- a/.dockerignore +++ b/.dockerignore @@ -1,2 +1,4 @@ -/node_modules -/build \ No newline at end of file +/client/node_modules +/build +/data +/server/vendor \ No newline at end of file diff --git a/.gitignore b/.gitignore index 0d08982..c3f90ff 100644 --- a/.gitignore +++ b/.gitignore @@ -1,4 +1,7 @@ -node_modules -/dist -/*.log -/.vscode \ No newline at end of file +/client/node_modules +/client/dist +*.log +/.vscode +/server/bin +/server/data +/server/vendor \ No newline at end of file diff --git a/Dockerfile b/Dockerfile index 4186dc0..7496990 100644 --- a/Dockerfile +++ b/Dockerfile @@ -5,18 +5,19 @@ RUN apk add --no-cache nodejs npm git make COPY . /src WORKDIR /src -RUN npm install && make build +RUN make install-deps \ + && make build FROM alpine:3.11 -COPY --from=build /src/dist /app +COPY --from=build /src/client/dist /client -WORKDIR /app +WORKDIR /client RUN apk add --no-cache caddy -COPY misc/dokku/Caddyfile /app/Caddyfile -COPY misc/dokku/CHECKS /app/CHECKS +COPY misc/dokku/Caddyfile /client/Caddyfile +COPY misc/dokku/CHECKS /client/CHECKS EXPOSE 80 diff --git a/LICENCE b/LICENCE new file mode 100644 index 0000000..bae94e1 --- /dev/null +++ b/LICENCE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If the Program does not specify a version number of the +GNU Affero General Public License, you may choose any version ever published +by the Free Software Foundation. + + If the Program specifies that a proxy can decide which future +versions of the GNU Affero General Public License can be used, that proxy's +public statement of acceptance of a version permanently authorizes you +to choose that version for the Program. + + Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + + 15. Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. 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Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. \ No newline at end of file diff --git a/Makefile b/Makefile index dd7574a..e1667da 100644 --- a/Makefile +++ b/Makefile @@ -1,10 +1,18 @@ DOKKU_URL := dokku@dev.lookingfora.name:guesstimate watch: - npm run dev + modd -build: clean - npm run build +install-deps: + cd client && npm install + +build: clean build-server build-client + +build-client: + cd client && npm run build + +build-server: + cd server && CGO_ENABLED=0 go build -mod=vendor -v -o bin/server ./cmd/server clean: rm -rf dist diff --git a/package-lock.json b/client/package-lock.json similarity index 99% rename from package-lock.json rename to client/package-lock.json index 57c3e08..d34790f 100644 --- a/package-lock.json +++ b/client/package-lock.json @@ -2392,6 +2392,11 @@ "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz", "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==" }, + "fast-json-patch": { + "version": "3.0.0-1", + "resolved": "https://registry.npmjs.org/fast-json-patch/-/fast-json-patch-3.0.0-1.tgz", + "integrity": "sha512-6pdFb07cknxvPzCeLsFHStEy+MysPJPgZQ9LbQ/2O67unQF93SNqfdSqnPPl71YMHX+AD8gbl7iuoGFzHEdDuw==" + }, "fast-json-stable-stringify": { "version": "2.1.0", "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz", diff --git a/package.json b/client/package.json similarity index 97% rename from package.json rename to client/package.json index c5c1c3d..bc9766d 100644 --- a/package.json +++ b/client/package.json @@ -8,6 +8,7 @@ "bs58": "^4.0.1", "bulma": "^0.8.2", "bulma-switch": "^2.0.0", + "fast-json-patch": "^3.0.0-1", "preact": "^10.4.1", "preact-markup": "^1.6.0", "preact-render-to-string": "^5.1.6", diff --git a/src/assets/favicon.ico b/client/src/assets/favicon.ico similarity index 100% rename from src/assets/favicon.ico rename to client/src/assets/favicon.ico diff --git a/src/assets/icons/android-chrome-192x192.png b/client/src/assets/icons/android-chrome-192x192.png similarity index 100% rename from src/assets/icons/android-chrome-192x192.png rename to client/src/assets/icons/android-chrome-192x192.png diff --git a/src/assets/icons/android-chrome-512x512.png b/client/src/assets/icons/android-chrome-512x512.png similarity index 100% rename from src/assets/icons/android-chrome-512x512.png rename to client/src/assets/icons/android-chrome-512x512.png diff --git a/src/assets/icons/apple-touch-icon.png b/client/src/assets/icons/apple-touch-icon.png similarity index 100% rename from src/assets/icons/apple-touch-icon.png rename to client/src/assets/icons/apple-touch-icon.png diff --git a/src/assets/icons/favicon-16x16.png b/client/src/assets/icons/favicon-16x16.png similarity index 100% rename from src/assets/icons/favicon-16x16.png rename to client/src/assets/icons/favicon-16x16.png diff --git a/src/assets/icons/favicon-32x32.png b/client/src/assets/icons/favicon-32x32.png similarity index 100% rename from src/assets/icons/favicon-32x32.png rename to client/src/assets/icons/favicon-32x32.png diff --git a/src/assets/icons/mstile-150x150.png b/client/src/assets/icons/mstile-150x150.png similarity index 100% rename from src/assets/icons/mstile-150x150.png rename to client/src/assets/icons/mstile-150x150.png diff --git a/src/components/app.tsx b/client/src/components/app.tsx similarity index 100% rename from src/components/app.tsx rename to client/src/components/app.tsx diff --git a/src/components/editable-text/index.tsx b/client/src/components/editable-text/index.tsx similarity index 100% rename from src/components/editable-text/index.tsx rename to client/src/components/editable-text/index.tsx diff --git a/src/components/editable-text/style.module.css b/client/src/components/editable-text/style.module.css similarity index 100% rename from src/components/editable-text/style.module.css rename to client/src/components/editable-text/style.module.css diff --git a/src/components/editable-text/style.module.css.d.ts b/client/src/components/editable-text/style.module.css.d.ts similarity index 100% rename from src/components/editable-text/style.module.css.d.ts rename to client/src/components/editable-text/style.module.css.d.ts diff --git a/src/components/estimation-range.tsx b/client/src/components/estimation-range.tsx similarity index 100% rename from src/components/estimation-range.tsx rename to client/src/components/estimation-range.tsx diff --git a/src/components/header/index.tsx b/client/src/components/header/index.tsx similarity index 100% rename from src/components/header/index.tsx rename to client/src/components/header/index.tsx diff --git a/src/components/header/style.module.css b/client/src/components/header/style.module.css similarity index 100% rename from src/components/header/style.module.css rename to client/src/components/header/style.module.css diff --git a/src/components/header/style.module.css.d.ts b/client/src/components/header/style.module.css.d.ts similarity index 100% rename from src/components/header/style.module.css.d.ts rename to client/src/components/header/style.module.css.d.ts diff --git a/src/components/project-time-unit.tsx b/client/src/components/project-time-unit.tsx similarity index 100% rename from src/components/project-time-unit.tsx rename to client/src/components/project-time-unit.tsx diff --git a/src/components/tabs/index.tsx b/client/src/components/tabs/index.tsx similarity index 100% rename from src/components/tabs/index.tsx rename to client/src/components/tabs/index.tsx diff --git a/src/components/tabs/style.module.css b/client/src/components/tabs/style.module.css similarity index 100% rename from src/components/tabs/style.module.css rename to client/src/components/tabs/style.module.css diff --git a/src/components/tabs/style.module.css.d.ts b/client/src/components/tabs/style.module.css.d.ts similarity index 100% rename from src/components/tabs/style.module.css.d.ts rename to client/src/components/tabs/style.module.css.d.ts diff --git a/src/hooks/use-local-storage.ts b/client/src/hooks/use-local-storage.ts similarity index 100% rename from src/hooks/use-local-storage.ts rename to client/src/hooks/use-local-storage.ts diff --git a/src/hooks/use-media-query.ts b/client/src/hooks/use-media-query.ts similarity index 100% rename from src/hooks/use-media-query.ts rename to client/src/hooks/use-media-query.ts diff --git a/client/src/hooks/use-previous.ts b/client/src/hooks/use-previous.ts new file mode 100644 index 0000000..0b81fb9 --- /dev/null +++ b/client/src/hooks/use-previous.ts @@ -0,0 +1,11 @@ +import { useEffect, useRef } from "preact/hooks"; + +export function usePrevious(value: T): T|undefined { + const ref = useRef(); + + useEffect(() => { + ref.current = value; + }, [value]); + + return ref.current as T|undefined; +} \ No newline at end of file diff --git a/src/hooks/use-project-estimations.ts b/client/src/hooks/use-project-estimations.ts similarity index 100% rename from src/hooks/use-project-estimations.ts rename to client/src/hooks/use-project-estimations.ts diff --git a/src/hooks/use-project-reducer.ts b/client/src/hooks/use-project-reducer.ts similarity index 100% rename from src/hooks/use-project-reducer.ts rename to client/src/hooks/use-project-reducer.ts diff --git a/client/src/hooks/use-server-sync.ts b/client/src/hooks/use-server-sync.ts new file mode 100644 index 0000000..9821d12 --- /dev/null +++ b/client/src/hooks/use-server-sync.ts @@ -0,0 +1,57 @@ +import { Project } from "../models/project"; +import { usePrevious } from "./use-previous"; +import * as jsonpatch from 'fast-json-patch'; +import { useEffect, useState } from "preact/hooks"; +import { Operation } from "fast-json-patch"; + +export interface ServerSyncOptions { + baseUrl: string +} + +export const defaultOptions = { + baseUrl: `ws://${window.location.host}/ws`, +} + +export function useServerSync(project: Project, options: ServerSyncOptions = defaultOptions) { + options = Object.assign({}, defaultOptions, options); + + const [ conn, setConn ] = useState(() => { + const conn = new WebSocket(`${options.baseUrl}/${project.id}`); + + conn.onerror = (evt: Event) => { + console.error(evt); + }; + + conn.onopen = (evt: Event) => { + console.log('ws connection opened'); + }; + + return conn; + }); + + const [ ops, setOps ] = useState([]); + + useEffect(() => { + return () => { + if (!conn) return; + console.log('closing ws'); + conn.close(); + conn.onerror = null; + conn.onopen = null; + }; + }, []); + + useEffect(() => { + conn.send(JSON.stringify(ops)); + setOps([]); + }, [ops.length > 0]); + + let previousProject: Project|any = usePrevious(project); + if (!previousProject) previousProject = {}; + + const newOps = jsonpatch.compare(previousProject, project); + + if (ops.length === 0) return; + + setOps(ops => [...ops, newOps]); +} \ No newline at end of file diff --git a/src/hooks/use-stored-project-list.ts b/client/src/hooks/use-stored-project-list.ts similarity index 100% rename from src/hooks/use-stored-project-list.ts rename to client/src/hooks/use-stored-project-list.ts diff --git a/src/index.html b/client/src/index.html similarity index 100% rename from src/index.html rename to client/src/index.html diff --git a/src/index.js b/client/src/index.js similarity index 100% rename from src/index.js rename to client/src/index.js diff --git a/src/models/params.ts b/client/src/models/params.ts similarity index 100% rename from src/models/params.ts rename to client/src/models/params.ts diff --git a/src/models/project.ts b/client/src/models/project.ts similarity index 100% rename from src/models/project.ts rename to client/src/models/project.ts diff --git a/src/models/task.ts b/client/src/models/task.ts similarity index 100% rename from src/models/task.ts rename to client/src/models/task.ts diff --git a/src/routes/home/index.tsx b/client/src/routes/home/index.tsx similarity index 100% rename from src/routes/home/index.tsx rename to client/src/routes/home/index.tsx diff --git a/src/routes/home/style.module.css b/client/src/routes/home/style.module.css similarity index 100% rename from src/routes/home/style.module.css rename to client/src/routes/home/style.module.css diff --git a/src/routes/home/style.module.css.d.ts b/client/src/routes/home/style.module.css.d.ts similarity index 100% rename from src/routes/home/style.module.css.d.ts rename to client/src/routes/home/style.module.css.d.ts diff --git a/src/routes/notfound/index.tsx b/client/src/routes/notfound/index.tsx similarity index 100% rename from src/routes/notfound/index.tsx rename to client/src/routes/notfound/index.tsx diff --git a/src/routes/notfound/style.module.css b/client/src/routes/notfound/style.module.css similarity index 100% rename from src/routes/notfound/style.module.css rename to client/src/routes/notfound/style.module.css diff --git a/src/routes/notfound/style.module.css.d.ts b/client/src/routes/notfound/style.module.css.d.ts similarity index 100% rename from src/routes/notfound/style.module.css.d.ts rename to client/src/routes/notfound/style.module.css.d.ts diff --git a/src/routes/project/estimation-tab.tsx b/client/src/routes/project/estimation-tab.tsx similarity index 100% rename from src/routes/project/estimation-tab.tsx rename to client/src/routes/project/estimation-tab.tsx diff --git a/src/routes/project/export-tab.tsx b/client/src/routes/project/export-tab.tsx similarity index 100% rename from src/routes/project/export-tab.tsx rename to client/src/routes/project/export-tab.tsx diff --git a/src/routes/project/financial-preview.tsx b/client/src/routes/project/financial-preview.tsx similarity index 100% rename from src/routes/project/financial-preview.tsx rename to client/src/routes/project/financial-preview.tsx diff --git a/src/routes/project/index.tsx b/client/src/routes/project/index.tsx similarity index 96% rename from src/routes/project/index.tsx rename to client/src/routes/project/index.tsx index da7045f..690538e 100644 --- a/src/routes/project/index.tsx +++ b/client/src/routes/project/index.tsx @@ -10,6 +10,7 @@ import Tabs from "../../components/tabs"; import EstimationTab from "./estimation-tab"; import ParamsTab from "./params-tab"; import ExportTab from "./export-tab"; +import { useServerSync } from "../../hooks/use-server-sync"; export interface ProjectProps { projectId: string @@ -19,6 +20,7 @@ const Project: FunctionalComponent = ({ projectId }) => { const projectStorageKey = getProjectStorageKey(projectId); const [ storedProject, storeProject ] = useLocalStorage(projectStorageKey, newProject(projectId)); const [ project, dispatch ] = useProjectReducer(storedProject); + useServerSync(project) const onProjectLabelChange = (projectLabel: string) => { dispatch(updateProjectLabel(projectLabel)); diff --git a/src/routes/project/params-tab.tsx b/client/src/routes/project/params-tab.tsx similarity index 100% rename from src/routes/project/params-tab.tsx rename to client/src/routes/project/params-tab.tsx diff --git a/src/routes/project/repartition-preview.tsx b/client/src/routes/project/repartition-preview.tsx similarity index 100% rename from src/routes/project/repartition-preview.tsx rename to client/src/routes/project/repartition-preview.tsx diff --git a/src/routes/project/style.module.css b/client/src/routes/project/style.module.css similarity index 100% rename from src/routes/project/style.module.css rename to client/src/routes/project/style.module.css diff --git a/src/routes/project/style.module.css.d.ts b/client/src/routes/project/style.module.css.d.ts similarity index 100% rename from src/routes/project/style.module.css.d.ts rename to client/src/routes/project/style.module.css.d.ts diff --git a/src/routes/project/task-categories-table.tsx b/client/src/routes/project/task-categories-table.tsx similarity index 100% rename from src/routes/project/task-categories-table.tsx rename to client/src/routes/project/task-categories-table.tsx diff --git a/src/routes/project/tasks-table.tsx b/client/src/routes/project/tasks-table.tsx similarity index 100% rename from src/routes/project/tasks-table.tsx rename to client/src/routes/project/tasks-table.tsx diff --git a/src/routes/project/time-preview.tsx b/client/src/routes/project/time-preview.tsx similarity index 100% rename from src/routes/project/time-preview.tsx rename to client/src/routes/project/time-preview.tsx diff --git a/src/style/index.css b/client/src/style/index.css similarity index 100% rename from src/style/index.css rename to client/src/style/index.css diff --git a/src/style/index.css.d.ts b/client/src/style/index.css.d.ts similarity index 100% rename from src/style/index.css.d.ts rename to client/src/style/index.css.d.ts diff --git a/src/util/stat.ts b/client/src/util/stat.ts similarity index 100% rename from src/util/stat.ts rename to client/src/util/stat.ts diff --git a/src/util/storage.ts b/client/src/util/storage.ts similarity index 100% rename from src/util/storage.ts rename to client/src/util/storage.ts diff --git a/src/util/uuid.ts b/client/src/util/uuid.ts similarity index 100% rename from src/util/uuid.ts rename to client/src/util/uuid.ts diff --git a/tsconfig.json b/client/tsconfig.json similarity index 100% rename from tsconfig.json rename to client/tsconfig.json diff --git a/webpack.config.js b/client/webpack.config.js similarity index 94% rename from webpack.config.js rename to client/webpack.config.js index 3596984..763dbd3 100644 --- a/webpack.config.js +++ b/client/webpack.config.js @@ -23,6 +23,12 @@ module.exports = { port: 8080, historyApiFallback: true, hot: env.NODE_ENV === 'development', + proxy: { + '/ws': { + target: 'http://127.0.0.1:8081', + ws: true + } + } }, module: { rules: [ diff --git a/modd.conf b/modd.conf new file mode 100644 index 0000000..1baca69 --- /dev/null +++ b/modd.conf @@ -0,0 +1,19 @@ +server/**/*.go +!server/**/*_test.go +server/data/config.yml +.env +modd.conf { + prep: make build-server + prep: cd server && [ -e data/config.yml ] || ( mkdir -p data && bin/server -dump-config > data/config.yml ) + prep: cd server && [ -e .env ] || ( cp .env.dist .env ) + daemon: cd server && ( set -o allexport && source .env && set +o allexport && bin/server -config data/config.yml ) +} + +{ + daemon: cd client && npm run dev +} + +server/**/*.go +server/**/*_test.go { + prep: cd server && go clean -testcache && go test -v ./... +} \ No newline at end of file diff --git a/server/.env b/server/.env new file mode 100644 index 0000000..892ca3e --- /dev/null +++ b/server/.env @@ -0,0 +1 @@ +GUESSTIMATE_DATA_PATH=data/guesstimate.db \ No newline at end of file diff --git a/server/.env.dist b/server/.env.dist new file mode 100644 index 0000000..892ca3e --- /dev/null +++ b/server/.env.dist @@ -0,0 +1 @@ +GUESSTIMATE_DATA_PATH=data/guesstimate.db \ No newline at end of file diff --git a/server/cmd/server/container.go b/server/cmd/server/container.go new file mode 100644 index 0000000..7c5b6d9 --- /dev/null +++ b/server/cmd/server/container.go @@ -0,0 +1,24 @@ +package main + +import ( + "forge.cadoles.com/wpetit/guesstimate/internal/config" + "forge.cadoles.com/wpetit/guesstimate/internal/storm" + "gitlab.com/wpetit/goweb/service" + "gitlab.com/wpetit/goweb/service/build" +) + +func getServiceContainer(conf *config.Config) (*service.Container, error) { + // Initialize and configure service container + ctn := service.NewContainer() + + ctn.Provide(build.ServiceName, build.ServiceProvider(ProjectVersion, GitRef, BuildDate)) + + // Create and expose config service provider + ctn.Provide(config.ServiceName, config.ServiceProvider(conf)) + + ctn.Provide(storm.ServiceName, storm.ServiceProvider( + storm.WithPath(conf.Data.Path), + )) + + return ctn, nil +} diff --git a/server/cmd/server/main.go b/server/cmd/server/main.go new file mode 100644 index 0000000..a6c5c0d --- /dev/null +++ b/server/cmd/server/main.go @@ -0,0 +1,117 @@ +package main + +import ( + "net/http" + + "forge.cadoles.com/wpetit/guesstimate/internal/route" + "github.com/go-chi/chi" + "github.com/go-chi/chi/middleware" + "gitlab.com/wpetit/goweb/middleware/container" + + "flag" + "fmt" + "log" + + "os" + + "forge.cadoles.com/wpetit/guesstimate/internal/config" + "github.com/pkg/errors" +) + +//nolint: gochecknoglobals +var ( + configFile = "" + workdir = "" + dumpConfig = false + version = false +) + +// nolint: gochecknoglobals +var ( + GitRef = "unknown" + ProjectVersion = "unknown" + BuildDate = "unknown" +) + +//nolint: gochecknoinits +func init() { + flag.StringVar(&configFile, "config", configFile, "configuration file") + flag.StringVar(&workdir, "workdir", workdir, "working directory") + flag.BoolVar(&dumpConfig, "dump-config", dumpConfig, "dump configuration and exit") + flag.BoolVar(&version, "version", version, "show version and exit") +} + +func main() { + flag.Parse() + + if version { + fmt.Printf("%s (%s) - %s\n", ProjectVersion, GitRef, BuildDate) + + os.Exit(0) + } + + // Switch to new working directory if defined + if workdir != "" { + if err := os.Chdir(workdir); err != nil { + log.Fatalf("%+v", errors.Wrapf(err, "could not change working directory to '%s'", workdir)) + } + } + + // Load configuration file if defined, use default configuration otherwise + var conf *config.Config + + var err error + + if configFile != "" { + conf, err = config.NewFromFile(configFile) + if err != nil { + log.Fatalf("%+v", errors.Wrapf(err, "could not load config file '%s'", configFile)) + } + } else { + if dumpConfig { + conf = config.NewDumpDefault() + } else { + conf = config.NewDefault() + } + + } + + // Dump configuration if asked + if dumpConfig { + if err := config.Dump(conf, os.Stdout); err != nil { + log.Fatalf("%+v", errors.Wrap(err, "could not dump config")) + } + + os.Exit(0) + } + + if err := config.WithEnvironment(conf); err != nil { + log.Fatalf("%+v", errors.Wrap(err, "could not override config with environment")) + } + + // Create service container + ctn, err := getServiceContainer(conf) + if err != nil { + log.Fatalf("%+v", errors.Wrap(err, "could not create service container")) + } + + r := chi.NewRouter() + + // Define base middlewares + r.Use(middleware.Logger) + r.Use(middleware.Recoverer) + + // Expose service container on router + r.Use(container.ServiceContainer(ctn)) + + // Define routes + if err := route.Mount(r, conf); err != nil { + log.Fatalf("%+v", errors.Wrap(err, "could not mount http routes")) + } + + log.Printf("listening on '%s'", conf.HTTP.Address) + + if err := http.ListenAndServe(conf.HTTP.Address, r); err != nil { + log.Fatalf("%+v", errors.Wrapf(err, "could not listen on '%s'", conf.HTTP.Address)) + } +} diff --git a/server/go.mod b/server/go.mod new file mode 100644 index 0000000..d6a2e15 --- /dev/null +++ b/server/go.mod @@ -0,0 +1,18 @@ +module forge.cadoles.com/wpetit/guesstimate + +go 1.14 + +require ( + github.com/asdine/storm/v3 v3.1.1 + github.com/caarlos0/env/v6 v6.2.1 + github.com/davecgh/go-spew v1.1.1 + github.com/go-chi/chi v4.1.1+incompatible + github.com/gorilla/websocket v1.4.2 + github.com/pkg/errors v0.9.1 + gitlab.com/wpetit/goweb v0.0.0-20200418152305-76dea96a46ce + golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e // indirect + gopkg.in/evanphx/json-patch.v4 v4.5.0 + gopkg.in/yaml.v2 v2.2.8 +) + +// replace gitlab.com/wpetit/goweb => ../goweb diff --git a/server/go.sum b/server/go.sum new file mode 100644 index 0000000..4a15dba --- /dev/null +++ b/server/go.sum @@ -0,0 +1,268 @@ +cdr.dev/slog v1.3.0 h1:MYN1BChIaVEGxdS7I5cpdyMC0+WfJfK8BETAfzfLUGQ= +cdr.dev/slog 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index 0000000..3d94d77 --- /dev/null +++ b/server/internal/config/config.go @@ -0,0 +1,77 @@ +package config + +import ( + "io" + "io/ioutil" + + "github.com/caarlos0/env/v6" + "github.com/pkg/errors" + + "gopkg.in/yaml.v2" +) + +type Config struct { + HTTP HTTPConfig `yaml:"http"` + Data DataConfig `ymal:"data"` +} + +type HTTPConfig struct { + Address string `yaml:"address" env:"GUESSTIMATE_HTTP_ADDRESS"` +} + +type DataConfig struct { + Path string `yaml:"path" env:"GUESSTIMATE_DATA_PATH"` +} + +// NewFromFile retrieves the configuration from the given file +func NewFromFile(filepath string) (*Config, error) { + config := NewDefault() + + data, err := ioutil.ReadFile(filepath) + if err != nil { + return nil, errors.Wrapf(err, "could not read file '%s'", filepath) + } + + if err := yaml.Unmarshal(data, config); err != nil { + return nil, errors.Wrapf(err, "could not unmarshal configuration") + } + + return config, nil +} + +func WithEnvironment(conf *Config) error { + if err := env.Parse(conf); err != nil { + return err + } + + return nil +} + +func NewDumpDefault() *Config { + config := NewDefault() + return config +} + +func NewDefault() *Config { + return &Config{ + HTTP: HTTPConfig{ + Address: ":8081", + }, + Data: DataConfig{ + Path: "guesstimate.db", + }, + } +} + +func Dump(config *Config, w io.Writer) error { + data, err := yaml.Marshal(config) + if err != nil { + return errors.Wrap(err, "could not dump config") + } + + if _, err := w.Write(data); err != nil { + return err + } + + return nil +} diff --git a/server/internal/config/provider.go b/server/internal/config/provider.go new file mode 100644 index 0000000..0e768ed --- /dev/null +++ b/server/internal/config/provider.go @@ -0,0 +1,9 @@ +package config + +import "gitlab.com/wpetit/goweb/service" + +func ServiceProvider(config *Config) service.Provider { + return func(ctn *service.Container) (interface{}, error) { + return config, nil + } +} diff --git a/server/internal/config/service.go b/server/internal/config/service.go new file mode 100644 index 0000000..e57c05d --- /dev/null +++ b/server/internal/config/service.go @@ -0,0 +1,33 @@ +package config + +import ( + "github.com/pkg/errors" + "gitlab.com/wpetit/goweb/service" +) + +const ServiceName service.Name = "config" + +// From retrieves the config service in the given container +func From(container *service.Container) (*Config, error) { + service, err := container.Service(ServiceName) + if err != nil { + return nil, errors.Wrapf(err, "error while retrieving '%s' service", ServiceName) + } + + srv, ok := service.(*Config) + if !ok { + return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName) + } + + return srv, nil +} + +// Must retrieves the config service in the given container or panic otherwise +func Must(container *service.Container) *Config { + srv, err := From(container) + if err != nil { + panic(err) + } + + return srv +} diff --git a/server/internal/diffsync/backup.go b/server/internal/diffsync/backup.go new file mode 100644 index 0000000..bf9b376 --- /dev/null +++ b/server/internal/diffsync/backup.go @@ -0,0 +1,21 @@ +package diffsync + +type Backup struct { + localVersion Version + content []byte +} + +func (b *Backup) LocalVersion() Version { + return b.localVersion +} + +func (b *Backup) Content() []byte { + return b.content +} + +func NewBackup(content []byte) *Backup { + return &Backup{ + localVersion: 0, + content: content, + } +} diff --git a/server/internal/diffsync/diff_patch.go b/server/internal/diffsync/diff_patch.go new file mode 100644 index 0000000..cea67f7 --- /dev/null +++ b/server/internal/diffsync/diff_patch.go @@ -0,0 +1,31 @@ +package diffsync + +type EditsStack []*Edits + +type Ops interface{} + +type Edits struct { + ops Ops + localVersion Version + remoteVersion Version +} + +func (e *Edits) Ops() Ops { + return e.ops +} + +func (e *Edits) LocalVersion() Version { + return e.localVersion +} + +func (e *Edits) RemoteVersion() Version { + return e.remoteVersion +} + +type Differ interface { + Diff(new, old []byte) (Ops, error) +} + +type Patcher interface { + Patch(content []byte, ops Ops) ([]byte, error) +} diff --git a/server/internal/diffsync/document.go b/server/internal/diffsync/document.go new file mode 100644 index 0000000..c3e62f7 --- /dev/null +++ b/server/internal/diffsync/document.go @@ -0,0 +1,56 @@ +package diffsync + +import "sync" + +type Version uint64 + +type void struct{} + +type Document struct { + content []byte + patcher Patcher + differ Differ + peers map[*Peer]void + peersMutex sync.RWMutex +} + +func (d *Document) NewPeer() *Peer { + d.peersMutex.Lock() + defer d.peersMutex.Unlock() + + p := &Peer{ + document: d, + shadow: NewShadow(Copy(d.content)), + editsStack: make(EditsStack, 0), + } + + d.peers[p] = void{} + + return p +} + +func (d *Document) RemovePeer(p *Peer) { + d.peersMutex.Lock() + defer d.peersMutex.Unlock() + + delete(d.peers, p) + p.document = nil +} + +func (d *Document) Content() []byte { + return d.content +} + +func NewDocument(content []byte, funcs ...OptionFunc) *Document { + opt := MergeOption( + DefaultOption(), + funcs..., + ) + + return &Document{ + content: content, + patcher: opt.Patcher, + differ: opt.Differ, + peers: make(map[*Peer]void), + } +} diff --git a/server/internal/diffsync/error.go b/server/internal/diffsync/error.go new file mode 100644 index 0000000..9cc3e84 --- /dev/null +++ b/server/internal/diffsync/error.go @@ -0,0 +1,9 @@ +package diffsync + +import "errors" + +var ( + ErrUnexpectedOpsFormat = errors.New("unexpected ops format") + ErrUnexpectedRemoteVersion = errors.New("unexpected remote version") + ErrInvalidState = errors.New("invalid state") +) diff --git a/server/internal/diffsync/json/diff_patch.go b/server/internal/diffsync/json/diff_patch.go new file mode 100644 index 0000000..c4e19d6 --- /dev/null +++ b/server/internal/diffsync/json/diff_patch.go @@ -0,0 +1,42 @@ +package json + +import ( + "forge.cadoles.com/wpetit/guesstimate/internal/diffsync" + "github.com/pkg/errors" + jsonpatch "gopkg.in/evanphx/json-patch.v4" +) + +type Patcher struct{} + +func (p *Patcher) Patch(content []byte, ops diffsync.Ops) ([]byte, error) { + patch, ok := ops.([]byte) + if !ok { + return nil, diffsync.ErrUnexpectedOpsFormat + } + + modified, err := jsonpatch.MergePatch(content, patch) + if err != nil { + return nil, errors.Wrap(err, "could not apply patch") + } + + return modified, nil +} + +func NewPatcher() *Patcher { + return &Patcher{} +} + +type Differ struct{} + +func (d *Differ) Diff(new, old []byte) (diffsync.Ops, error) { + ops, err := jsonpatch.CreateMergePatch(old, new) + if err != nil { + return nil, errors.Wrap(err, "could not compute diff") + } + + return ops, nil +} + +func NewDiffer() *Differ { + return &Differ{} +} diff --git a/server/internal/diffsync/json/json_test.go b/server/internal/diffsync/json/json_test.go new file mode 100644 index 0000000..635ae92 --- /dev/null +++ b/server/internal/diffsync/json/json_test.go @@ -0,0 +1,169 @@ +package json + +import ( + "encoding/json" + "fmt" + "log" + "reflect" + "testing" + + "forge.cadoles.com/wpetit/guesstimate/internal/diffsync" + "github.com/davecgh/go-spew/spew" +) + +func TestJSONSync(t *testing.T) { + doc1 := diffsync.NewDocument( + []byte("{}"), + WithJSONSync(), + ) + + doc2 := diffsync.NewDocument( + []byte("{}"), + WithJSONSync(), + ) + + p1 := doc1.NewPeer() + p2 := doc2.NewPeer() + + log.Printf("p1 shadow: %s", p1.Shadow().Content()) + log.Printf("p2 shadow: %s", p2.Shadow().Content()) + + newContent1 := []byte(`{"hello":"world"}`) + + log.Printf("updating doc1 with '%s'", newContent1) + + stack1, err := p1.Update(newContent1) + if err != nil { + t.Error(err) + } + + log.Printf("applying stack1 to doc2 '%s'", doc2.Content()) + + if err := p2.Apply(stack1); err != nil { + t.Error(err) + } + + log.Printf("new doc2 content: '%s'", doc2.Content()) + + if g, e := doc2.Content(), doc1.Content(); !jsonEqual(e, g) { + t.Errorf("doc2.Content(): expected '%s', got '%s'", e, g) + } +} + +type testStep struct { + Local *diffsync.Peer + Remote *diffsync.Peer + Update string + MatchLocal bool + MatchRemote bool +} + +func TestBidirectionnalUpdate(t *testing.T) { + doc1 := diffsync.NewDocument([]byte(`{}`), WithJSONSync()) + doc2 := diffsync.NewDocument([]byte(`{}`), WithJSONSync()) + + p1 := doc1.NewPeer() + p2 := doc2.NewPeer() + + var cases = []testStep{ + { + Local: p1, + Remote: p2, + Update: `{"hello":"world"}`, + MatchLocal: true, + MatchRemote: true, + }, + { + Local: p2, + Remote: p1, + Update: `{"hello":"world","foo":"bar"}`, + MatchLocal: true, + MatchRemote: true, + }, + { + Local: p1, + Remote: p2, + Update: `{"hello":1,"foo":"bar"}`, + MatchLocal: true, + MatchRemote: true, + }, + { + Local: p1, + Remote: nil, + Update: `{"hello":1,"foo":"bar", "test":{"bar": "baz"}}`, + MatchLocal: true, + MatchRemote: false, + }, + { + Local: p2, + Remote: p1, + Update: `{"hello":2,"foo":"bar", "test":{"bar": "baz","world":"hello"}}`, + MatchLocal: true, + MatchRemote: true, + }, + } + + for i, step := range cases { + func(step testStep, i int) { + t.Run(fmt.Sprintf("Step %d", i), func(t *testing.T) { + log.Printf("local document before update: '%s'", step.Local.Document().Content()) + + stack, err := step.Local.Update([]byte(step.Update)) + if err != nil { + t.Error(err) + } + + log.Printf("local document after update: '%s'", step.Local.Document().Content()) + + log.Printf("resulting stack: '%s'", spew.Sdump(stack)) + + if step.MatchLocal { + if e, g := step.Local.Document().Content(), []byte(step.Update); !jsonEqual(e, g) { + t.Errorf("local.Document().Content(): expected '%s', got '%s'", e, g) + } + } + + if step.Remote != nil { + log.Printf("remote document before apply: '%s'", step.Remote.Document().Content()) + if err := step.Remote.Apply(stack); err != nil { + t.Error(err) + } + log.Printf("remote document after apply: '%s'", step.Remote.Document().Content()) + } + + if step.MatchRemote { + if e, g := step.Remote.Document().Content(), []byte(step.Update); !jsonEqual(e, g) { + t.Errorf("remote.Document().Content(): expected '%s', got '%s'", e, g) + } + } + + if step.MatchLocal && step.MatchRemote { + if e, g := step.Local.Document().Content(), step.Remote.Document().Content(); !jsonEqual(e, g) { + t.Errorf("local.Document().Content() should match remote.Document().Content() ! Got '%s' and '%s'", e, g) + } + } + }) + }(step, i) + } +} + +func jsonEqual(s1, s2 []byte) bool { + var ( + o1 interface{} + o2 interface{} + ) + + var err error + + err = json.Unmarshal(s1, &o1) + if err != nil { + panic(fmt.Errorf("Error mashalling []byte 1 :: %s", err.Error())) + } + + err = json.Unmarshal(s2, &o2) + if err != nil { + panic(fmt.Errorf("Error mashalling []byte 2 :: %s", err.Error())) + } + + return reflect.DeepEqual(o1, o2) +} diff --git a/server/internal/diffsync/json/option.go b/server/internal/diffsync/json/option.go new file mode 100644 index 0000000..ffbdb32 --- /dev/null +++ b/server/internal/diffsync/json/option.go @@ -0,0 +1,10 @@ +package json + +import "forge.cadoles.com/wpetit/guesstimate/internal/diffsync" + +func WithJSONSync() diffsync.OptionFunc { + return func(opt *diffsync.Option) { + opt.Differ = NewDiffer() + opt.Patcher = NewPatcher() + } +} diff --git a/server/internal/diffsync/option.go b/server/internal/diffsync/option.go new file mode 100644 index 0000000..c0b6e30 --- /dev/null +++ b/server/internal/diffsync/option.go @@ -0,0 +1,34 @@ +package diffsync + +type Option struct { + Patcher Patcher + Differ Differ +} + +func WithPatcher(p Patcher) OptionFunc { + return func(opt *Option) { + opt.Patcher = p + } +} + +func WithDiffer(d Differ) OptionFunc { + return func(opt *Option) { + opt.Differ = d + } +} + +type OptionFunc func(*Option) + +func DefaultOption() *Option { + return MergeOption( + &Option{}, + ) +} + +func MergeOption(opt *Option, funcs ...OptionFunc) *Option { + for _, fn := range funcs { + fn(opt) + } + + return opt +} diff --git a/server/internal/diffsync/peer.go b/server/internal/diffsync/peer.go new file mode 100644 index 0000000..0f7231a --- /dev/null +++ b/server/internal/diffsync/peer.go @@ -0,0 +1,151 @@ +package diffsync + +import ( + "log" + "sync" + + "github.com/pkg/errors" +) + +type Peer struct { + document *Document + shadow *Shadow + mutex sync.RWMutex + editsStack EditsStack +} + +func (p *Peer) Document() *Document { + return p.document +} + +func (p *Peer) Shadow() *Shadow { + return p.shadow +} + +func (p *Peer) Update(content []byte) (EditsStack, error) { + p.mutex.Lock() + defer p.mutex.Unlock() + + ops, err := p.document.differ.Diff(content, p.shadow.content) + if err != nil { + return nil, err + } + + p.editsStack = append(p.editsStack, &Edits{ + ops: ops, + localVersion: p.shadow.localVersion, + remoteVersion: p.shadow.remoteVersion, + }) + + p.shadow.localVersion++ + p.shadow.content = content + p.document.content = content + + newStack := make(EditsStack, len(p.editsStack)) + copy(newStack, p.editsStack) + + return newStack, nil +} + +func (p *Peer) Apply(stack EditsStack) error { + p.mutex.Lock() + defer p.mutex.Unlock() + + newStack := make(EditsStack, len(p.editsStack)) + copy(newStack, p.editsStack) + + for _, edits := range stack { + rollbacked, err := p.applyEdits(edits) + if err != nil { + return errors.Wrap(err, "could not apply edits") + } + + if rollbacked { + newStack = EditsStack{} + } + + // Iterate over local edits + for i, localEdits := range newStack { + if localEdits.LocalVersion() != edits.RemoteVersion() { + continue + } + + log.Printf("removing edits %d", localEdits.LocalVersion()) + + // Remove local edit + copy(newStack[i:], newStack[i+1:]) + newStack[len(newStack)-1] = nil + newStack = newStack[:len(newStack)-1] + } + } + + p.editsStack = newStack + + return nil +} + +func (p *Peer) applyEdits(edits *Edits) (bool, error) { + rollbacked := false + + shadow := p.Shadow() + + var ( + err error + newDocumentContent []byte + newShadowRemoteVersion Version + ) + + newShadowContent := shadow.content + newShadowLocalVersion := shadow.localVersion + + log.Printf( + "shadow(l: %d, r: %d) edits(l: %d, r: %d)", + shadow.LocalVersion(), shadow.RemoteVersion(), + edits.LocalVersion(), edits.RemoteVersion(), + ) + + // Desync occurred, rollback to backup if possible + if shadow.LocalVersion() > edits.RemoteVersion() { + if shadow.Backup().LocalVersion() != edits.RemoteVersion() { + return false, ErrUnexpectedRemoteVersion + } + + newShadowContent = shadow.backup.Content() + newShadowLocalVersion = shadow.backup.LocalVersion() + rollbacked = true + } + + if edits.LocalVersion() < shadow.RemoteVersion() { + return rollbacked, nil + } + + if edits.RemoteVersion() < newShadowLocalVersion { + return rollbacked, ErrInvalidState + } + + newShadowContent, err = p.document.patcher.Patch(newShadowContent, edits.Ops()) + if err != nil { + return false, errors.Wrap(err, "could not patch shadow content") + } + + newDocumentContent, err = p.document.patcher.Patch(p.document.content, edits.Ops()) + if err != nil { + return rollbacked, errors.Wrap(err, "could not patch document content") + } + + newShadowRemoteVersion++ + + // Update shadow + shadow.content = newShadowContent + shadow.remoteVersion = newShadowRemoteVersion + shadow.localVersion = newShadowLocalVersion + + // Update document + p.document.content = newDocumentContent + + // Update backup + shadow.backup.content = newShadowContent + shadow.backup.localVersion = shadow.localVersion + + return rollbacked, nil +} diff --git a/server/internal/diffsync/shadow.go b/server/internal/diffsync/shadow.go new file mode 100644 index 0000000..5cbed00 --- /dev/null +++ b/server/internal/diffsync/shadow.go @@ -0,0 +1,40 @@ +package diffsync + +type Shadow struct { + localVersion Version + remoteVersion Version + content []byte + backup *Backup +} + +func NewShadow(content []byte) *Shadow { + return &Shadow{ + localVersion: 0, + remoteVersion: 0, + content: content, + backup: NewBackup(Copy(content)), + } +} + +func (s *Shadow) LocalVersion() Version { + return s.localVersion +} + +func (s *Shadow) RemoteVersion() Version { + return s.remoteVersion +} + +func (s *Shadow) Content() []byte { + return s.content +} + +func (s *Shadow) Backup() *Backup { + return s.backup +} + +func Copy(content []byte) []byte { + contentCopy := make([]byte, len(content)) + copy(contentCopy, content) + + return contentCopy +} diff --git a/server/internal/diffsync/versioned.go b/server/internal/diffsync/versioned.go new file mode 100644 index 0000000..78c6227 --- /dev/null +++ b/server/internal/diffsync/versioned.go @@ -0,0 +1,14 @@ +package diffsync + +type Versioned struct { + localVersion Version + remoteVersion Version +} + +func (v *Versioned) LocalVersion() Version { + return v.localVersion +} + +func (v *Versioned) RemoteVersion() Version { + return v.remoteVersion +} diff --git a/server/internal/route/mount.go b/server/internal/route/mount.go new file mode 100644 index 0000000..9906192 --- /dev/null +++ b/server/internal/route/mount.go @@ -0,0 +1,12 @@ +package route + +import ( + "forge.cadoles.com/wpetit/guesstimate/internal/config" + "github.com/go-chi/chi" +) + +func Mount(r *chi.Mux, config *config.Config) error { + r.Get("/ws/{projectId}", handleProjectWebsocket) + + return nil +} diff --git a/server/internal/route/project.go b/server/internal/route/project.go new file mode 100644 index 0000000..ff70a50 --- /dev/null +++ b/server/internal/route/project.go @@ -0,0 +1,109 @@ +package route + +import ( + "log" + "net/http" + + "github.com/davecgh/go-spew/spew" + "github.com/gorilla/websocket" + "github.com/pkg/errors" + "gitlab.com/wpetit/goweb/logger" +) + +var upgrader = websocket.Upgrader{} // nolint: gochecknoglobals + +func handleProjectWebsocket(w http.ResponseWriter, r *http.Request) { + log.Println("websocket request") + + c, err := upgrader.Upgrade(w, r, nil) + if err != nil { + panic(errors.Wrap(err, "could not upgrade connection")) + } + defer c.Close() + + // ctn := container.Must(r.Context()) + + // ctx := r.Context() + + // Loop over incoming websocket messages + for { + _, data, err := c.ReadMessage() + if err != nil { + cause := errors.Cause(err) + if websocket.IsCloseError(cause, 1001, 1005) { // Ignore "going away" and "no status" close errors + return + } + + logger.Error( + r.Context(), + "could not read message", + logger.E(err), + ) + + break + } + + spew.Dump(data) + + // message := &game.Message{} + // if err := json.Unmarshal(data, message); err != nil { + // logger.Error( + // r.Context(), + // "could not decode message", + // logger.E(err), + // ) + + // break + // } + + // switch { + // case message.Type == game.MessageTypeInit: + // payload := &game.InitPayload{} + + // if err := json.Unmarshal(message.Payload, payload); err != nil { + // logger.Error( + // r.Context(), + // "could not decode payload", + // logger.E(err), + // ) + // break + // } + + // setGameID(payload.GameID) + + // evt := game.NewEventPlayerConnected(payload.GameID, user.ID) + // bus.Publish(game.EventNamespace, evt) + + // case message.Type == game.MessageTypeGameEvent: + // gameID, ok := getGameID() + // if !ok { + // logger.Error( + // r.Context(), + // "game id not received yet", + // ) + + // break + // } + + // payload := &game.EventPayload{} + // if err := json.Unmarshal(message.Payload, payload); err != nil { + // logger.Error( + // r.Context(), + // "could not decode payload", + // logger.E(err), + // ) + // break + // } + + // evt := game.NewEventPlayerMessage(gameID, user.ID, payload.Data) + // bus.Publish(game.EventNamespace, evt) + + // default: + // logger.Error( + // r.Context(), + // "unsupported message type", + // logger.F("messageType", message.Type), + // ) + // } + } +} diff --git a/server/internal/storm/error.go b/server/internal/storm/error.go new file mode 100644 index 0000000..f150230 --- /dev/null +++ b/server/internal/storm/error.go @@ -0,0 +1,9 @@ +package storm + +import ( + "github.com/asdine/storm/v3" +) + +var ( + ErrNotFound = storm.ErrNotFound +) diff --git a/server/internal/storm/option.go b/server/internal/storm/option.go new file mode 100644 index 0000000..4e7ee92 --- /dev/null +++ b/server/internal/storm/option.go @@ -0,0 +1,51 @@ +package storm + +type Option struct { + Path string + Objects []interface{} + ReIndex bool + Init bool +} + +type OptionFunc func(*Option) + +func DefaultOption() *Option { + return MergeOption( + &Option{}, + WithPath("data.db"), + WithInit(true), + WithReIndex(true), + ) +} + +func MergeOption(opt *Option, funcs ...OptionFunc) *Option { + for _, fn := range funcs { + fn(opt) + } + + return opt +} + +func WithPath(path string) OptionFunc { + return func(opt *Option) { + opt.Path = path + } +} + +func WithReIndex(reindex bool) OptionFunc { + return func(opt *Option) { + opt.ReIndex = reindex + } +} + +func WithInit(init bool) OptionFunc { + return func(opt *Option) { + opt.Init = init + } +} + +func WithObjects(objects ...interface{}) OptionFunc { + return func(opt *Option) { + opt.Objects = objects + } +} diff --git a/server/internal/storm/provider.go b/server/internal/storm/provider.go new file mode 100644 index 0000000..e00fbcc --- /dev/null +++ b/server/internal/storm/provider.go @@ -0,0 +1,48 @@ +package storm + +import ( + "reflect" + + "github.com/asdine/storm/v3" + "github.com/pkg/errors" + "gitlab.com/wpetit/goweb/service" +) + +func ServiceProvider(funcs ...OptionFunc) service.Provider { + opt := MergeOption( + DefaultOption(), + funcs..., + ) + + db, err := storm.Open(opt.Path) + + if err == nil && opt.Objects != nil { + err = migrate(db, opt.Objects, opt.Init, opt.ReIndex) + } + + return func(ctn *service.Container) (interface{}, error) { + if err != nil { + return nil, err + } + return db, nil + } +} + +func migrate(db *storm.DB, objects []interface{}, init, reindex bool) error { + for _, o := range objects { + if init { + if err := db.Init(o); err != nil { + return errors.Wrapf(err, "could not init object '%s'", reflect.TypeOf(o).String()) + } + } + + if reindex { + if err := db.ReIndex(o); err != nil { + return errors.Wrapf(err, "could not reindex object '%s'", reflect.TypeOf(o).String()) + } + } + + } + + return nil +} diff --git a/server/internal/storm/service.go b/server/internal/storm/service.go new file mode 100644 index 0000000..15bacfd --- /dev/null +++ b/server/internal/storm/service.go @@ -0,0 +1,34 @@ +package storm + +import ( + "github.com/asdine/storm/v3" + "github.com/pkg/errors" + "gitlab.com/wpetit/goweb/service" +) + +const ServiceName service.Name = "storm" + +// From retrieves the storm service in the given container +func From(container *service.Container) (*storm.DB, error) { + service, err := container.Service(ServiceName) + if err != nil { + return nil, errors.Wrapf(err, "error while retrieving '%s' service", ServiceName) + } + + srv, ok := service.(*storm.DB) + if !ok { + return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName) + } + + return srv, nil +} + +// Must retrieves the storm service in the given container or panic otherwise +func Must(container *service.Container) *storm.DB { + srv, err := From(container) + if err != nil { + panic(err) + } + + return srv +}