Refactor packages to have more idiomatic code base

api/user.go

@@ -0,0 +1,185 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package api
+
+import (
+	"errors"
+
+	"github.com/miniflux/miniflux/http/handler"
+)
+
+// CreateUser is the API handler to create a new user.
+func (c *Controller) CreateUser(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	user, err := decodeUserPayload(request.Body())
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	if err := user.ValidateUserCreation(); err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	if c.store.UserExists(user.Username) {
+		response.JSON().BadRequest(errors.New("This user already exists"))
+		return
+	}
+
+	err = c.store.CreateUser(user)
+	if err != nil {
+		response.JSON().ServerError(errors.New("Unable to create this user"))
+		return
+	}
+
+	user.Password = ""
+	response.JSON().Created(user)
+}
+
+// UpdateUser is the API handler to update the given user.
+func (c *Controller) UpdateUser(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	userID, err := request.IntegerParam("userID")
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	user, err := decodeUserPayload(request.Body())
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	if err := user.ValidateUserModification(); err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	originalUser, err := c.store.UserByID(userID)
+	if err != nil {
+		response.JSON().BadRequest(errors.New("Unable to fetch this user from the database"))
+		return
+	}
+
+	if originalUser == nil {
+		response.JSON().NotFound(errors.New("User not found"))
+		return
+	}
+
+	originalUser.Merge(user)
+	if err = c.store.UpdateUser(originalUser); err != nil {
+		response.JSON().ServerError(errors.New("Unable to update this user"))
+		return
+	}
+
+	response.JSON().Created(originalUser)
+}
+
+// Users is the API handler to get the list of users.
+func (c *Controller) Users(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	users, err := c.store.Users()
+	if err != nil {
+		response.JSON().ServerError(errors.New("Unable to fetch the list of users"))
+		return
+	}
+
+	response.JSON().Standard(users)
+}
+
+// UserByID is the API handler to fetch the given user by the ID.
+func (c *Controller) UserByID(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	userID, err := request.IntegerParam("userID")
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	user, err := c.store.UserByID(userID)
+	if err != nil {
+		response.JSON().BadRequest(errors.New("Unable to fetch this user from the database"))
+		return
+	}
+
+	if user == nil {
+		response.JSON().NotFound(errors.New("User not found"))
+		return
+	}
+
+	response.JSON().Standard(user)
+}
+
+// UserByUsername is the API handler to fetch the given user by the username.
+func (c *Controller) UserByUsername(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	username := request.StringParam("username", "")
+	user, err := c.store.UserByUsername(username)
+	if err != nil {
+		response.JSON().BadRequest(errors.New("Unable to fetch this user from the database"))
+		return
+	}
+
+	if user == nil {
+		response.JSON().NotFound(errors.New("User not found"))
+		return
+	}
+
+	response.JSON().Standard(user)
+}
+
+// RemoveUser is the API handler to remove an existing user.
+func (c *Controller) RemoveUser(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	if !ctx.IsAdminUser() {
+		response.JSON().Forbidden()
+		return
+	}
+
+	userID, err := request.IntegerParam("userID")
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	user, err := c.store.UserByID(userID)
+	if err != nil {
+		response.JSON().ServerError(errors.New("Unable to fetch this user from the database"))
+		return
+	}
+
+	if user == nil {
+		response.JSON().NotFound(errors.New("User not found"))
+		return
+	}
+
+	if err := c.store.RemoveUser(user.ID); err != nil {
+		response.JSON().BadRequest(errors.New("Unable to remove this user from the database"))
+		return
+	}
+
+	response.JSON().NoContent()
+}