Implemented preferences endpoints for apiv4 (#5531)

* implemented preferences endpoints for apiv4

* added user id in preferences endpoints

1 files changed, 153 insertions, 0 deletions

diff --git a/api4/preference.go b/api4/preference.go
new file mode 100644
index 000000000..9ba6b85d2
--- /dev/null
+++ b/api4/preference.go
@@ -0,0 +1,153 @@
+// // Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// // See License.txt for license information.
+
+package api4
+
+import (
+	"net/http"
+
+	l4g "github.com/alecthomas/log4go"
+	"github.com/mattermost/platform/app"
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+)
+
+func InitPreference() {
+	l4g.Debug(utils.T("api.preference.init.debug"))
+
+	BaseRoutes.Preferences.Handle("", ApiSessionRequired(getPreferences)).Methods("GET")
+	BaseRoutes.Preferences.Handle("", ApiSessionRequired(updatePreferences)).Methods("PUT")
+	BaseRoutes.Preferences.Handle("/delete", ApiSessionRequired(deletePreferences)).Methods("POST")
+	BaseRoutes.Preferences.Handle("/{category:[A-Za-z0-9_]+}", ApiSessionRequired(getPreferencesByCategory)).Methods("GET")
+	BaseRoutes.Preferences.Handle("/{category:[A-Za-z0-9_]+}/name/{preference_name:[A-Za-z0-9_]+}", ApiSessionRequired(getPreferenceByCategoryAndName)).Methods("GET")
+}
+
+func getPreferences(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireUserId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToUser(c.Session, c.Params.UserId) {
+		c.SetPermissionError(model.PERMISSION_EDIT_OTHER_USERS)
+		return
+	}
+
+	if preferences, err := app.GetPreferencesForUser(c.Params.UserId); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(preferences.ToJson()))
+		return
+	}
+}
+
+func getPreferencesByCategory(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireUserId().RequireCategory()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToUser(c.Session, c.Params.UserId) {
+		c.SetPermissionError(model.PERMISSION_EDIT_OTHER_USERS)
+		return
+	}
+
+	if preferences, err := app.GetPreferenceByCategoryForUser(c.Params.UserId, c.Params.Category); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(preferences.ToJson()))
+		return
+	}
+}
+
+func getPreferenceByCategoryAndName(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireUserId().RequireCategory().RequirePreferenceName()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToUser(c.Session, c.Params.UserId) {
+		c.SetPermissionError(model.PERMISSION_EDIT_OTHER_USERS)
+		return
+	}
+
+	if preferences, err := app.GetPreferenceByCategoryAndNameForUser(c.Params.UserId, c.Params.Category, c.Params.PreferenceName); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(preferences.ToJson()))
+		return
+	}
+}
+
+func updatePreferences(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireUserId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToUser(c.Session, c.Params.UserId) {
+		c.SetPermissionError(model.PERMISSION_EDIT_OTHER_USERS)
+		return
+	}
+
+	preferences, err := model.PreferencesFromJson(r.Body)
+	if err != nil {
+		c.SetInvalidParam("preferences")
+		return
+	}
+
+	for _, preference := range preferences {
+		if c.Params.UserId != preference.UserId {
+			c.Err = model.NewAppError("savePreferences", "api.preference.update_preferences.set.app_error", nil,
+				c.T("api.preference.update_preferences.set_details.app_error",
+					map[string]interface{}{"SessionUserId": c.Params.UserId, "PreferenceUserId": preference.UserId}),
+				http.StatusForbidden)
+			return
+		}
+	}
+
+	if _, err := app.UpdatePreferences(preferences); err != nil {
+		c.Err = err
+		return
+	}
+
+	ReturnStatusOK(w)
+}
+
+func deletePreferences(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireUserId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToUser(c.Session, c.Params.UserId) {
+		c.SetPermissionError(model.PERMISSION_EDIT_OTHER_USERS)
+		return
+	}
+
+	preferences, err := model.PreferencesFromJson(r.Body)
+	if err != nil {
+		c.SetInvalidParam("preferences")
+		return
+	}
+
+	for _, preference := range preferences {
+		if c.Params.UserId != preference.UserId {
+			c.Err = model.NewAppError("deletePreferences", "api.preference.delete_preferences.delete.app_error", nil,
+				c.T("api.preference.delete_preferences.delete.app_error",
+					map[string]interface{}{"SessionUserId": c.Params.UserId, "PreferenceUserId": preference.UserId}),
+				http.StatusForbidden)
+			return
+		}
+	}
+
+	if _, err := app.DeletePreferences(c.Params.UserId, preferences); err != nil {
+		c.Err = err
+		return
+	}
+
+	ReturnStatusOK(w)
+}