feat: tenants querying

pkg/client/query_tenants.go

@@ -0,0 +1,77 @@
+package client
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	"forge.cadoles.com/Cadoles/emissary/internal/datastore"
+	"github.com/pkg/errors"
+)
+
+type QueryTenantsOptionFunc func(*QueryTenantsOptions)
+
+type QueryTenantsOptions struct {
+	Options []OptionFunc
+	Limit   *int
+	Offset  *int
+	IDs     []TenantID
+}
+
+func WithQueryTenantsOptions(funcs ...OptionFunc) QueryTenantsOptionFunc {
+	return func(opts *QueryTenantsOptions) {
+		opts.Options = funcs
+	}
+}
+
+func WithQueryTenantsLimit(limit int) QueryTenantsOptionFunc {
+	return func(opts *QueryTenantsOptions) {
+		opts.Limit = &limit
+	}
+}
+
+func WithQueryTenantsOffset(offset int) QueryTenantsOptionFunc {
+	return func(opts *QueryTenantsOptions) {
+		opts.Offset = &offset
+	}
+}
+
+func WithQueryTenantsID(ids ...datastore.TenantID) QueryTenantsOptionFunc {
+	return func(opts *QueryTenantsOptions) {
+		opts.IDs = ids
+	}
+}
+
+func (c *Client) QueryTenants(ctx context.Context, funcs ...QueryTenantsOptionFunc) ([]*Tenant, int, error) {
+	options := &QueryTenantsOptions{}
+	for _, fn := range funcs {
+		fn(options)
+	}
+
+	query := url.Values{}
+
+	if options.IDs != nil && len(options.IDs) > 0 {
+		query.Set("ids", joinSlice(options.IDs))
+	}
+
+	path := fmt.Sprintf("/api/v1/tenants?%s", query.Encode())
+
+	response := withResponse[struct {
+		Tenants []*datastore.Tenant `json:"tenants"`
+		Total   int                 `json:"total"`
+	}]()
+
+	if options.Options == nil {
+		options.Options = make([]OptionFunc, 0)
+	}
+
+	if err := c.apiGet(ctx, path, &response, options.Options...); err != nil {
+		return nil, 0, errors.WithStack(err)
+	}
+
+	if response.Error != nil {
+		return nil, 0, errors.WithStack(response.Error)
+	}
+
+	return response.Data.Tenants, response.Data.Total, nil
+}