[MM-48031] Work template read API (#21661)

api4/worktemplates.go

@@ -0,0 +1,67 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func (api *API) InitWorkTemplate() {
+	api.BaseRoutes.WorkTemplates.Handle("/categories", api.APISessionRequired(needsWorkTemplateFeatureFlag(getWorkTemplateCategories))).Methods("GET")
+	api.BaseRoutes.WorkTemplates.Handle("/categories/{category}/templates", api.APISessionRequired(needsWorkTemplateFeatureFlag(getWorkTemplates))).Methods("GET")
+}
+
+func needsWorkTemplateFeatureFlag(h handlerFunc) handlerFunc {
+	return func(c *Context, w http.ResponseWriter, r *http.Request) {
+		if !c.App.Config().FeatureFlags.WorkTemplate {
+			http.NotFound(w, r)
+			return
+		}
+
+		h(c, w, r)
+	}
+}
+
+func getWorkTemplateCategories(c *Context, w http.ResponseWriter, r *http.Request) {
+	t := c.AppContext.GetT()
+
+	categories, appErr := c.App.GetWorkTemplateCategories(t)
+	if appErr != nil {
+		c.Err = appErr
+		return
+	}
+
+	b, err := json.Marshal(categories)
+	if err != nil {
+		c.Err = model.NewAppError("getWorkTemplateCategories", "api.marshal_error", nil, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(b)
+}
+
+func getWorkTemplates(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireCategory()
+	if c.Err != nil {
+		return
+	}
+	t := c.AppContext.GetT()
+
+	workTemplates, appErr := c.App.GetWorkTemplates(c.Params.Category, c.App.Config().FeatureFlags.ToMap(), t)
+	if appErr != nil {
+		c.Err = appErr
+		return
+	}
+
+	b, err := json.Marshal(workTemplates)
+	if err != nil {
+		c.Err = model.NewAppError("getWorkTemplates", "api.marshal_error", nil, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(b)
+}