| 1 | # frozen_string_literal: true |
| 2 | |
| 3 | require 'gem_error_codes' |
| 4 | |
| 5 | module Api |
| 6 | module V1 |
| 7 | class UserController < Devise::SessionsController |
| 8 | skip_before_action :verify_authenticity_token |
| 9 | respond_to :json |
| 10 | |
| 11 | def login |
| 12 | find_user |
| 13 | return render_error(GemErrorCodes.user_not_found, GemErrorCodes.user_not_found_message, :not_found) unless @user |
| 14 | |
| 15 | if @user&.valid_password?(params[:password]) |
| 16 | logger.debug 'User logged in.' |
| 17 | sign_in(:user, @user) |
| 18 | render_success |
| 19 | else |
| 20 | logger.debug 'Invalid credentials.' |
| 21 | render_error(GemErrorCodes.invalid_credentials, GemErrorCodes.invalid_credentials_message, :unauthorized) |
| 22 | end |
| 23 | end |
| 24 | |
| 25 | def logout |
| 26 | log_out_success && return if current_user |
| 27 | |
| 28 | log_out_failure |
| 29 | end |
| 30 | |
| 31 | def register |
| 32 | name = params[:name] |
| 33 | email = params[:email] |
| 34 | password = params[:password] |
| 35 | |
| 36 | unless !name.nil? && !name.empty? && !email.nil? && !email.empty? && !password.nil? && !password.empty? |
| 37 | render_error 'Please fill name, email, and password.' |
| 38 | return |
| 39 | end |
| 40 | |
| 41 | @user = User.new( |
| 42 | name: name, |
| 43 | email: email, |
| 44 | password: password |
| 45 | ) |
| 46 | |
| 47 | if @user.save |
| 48 | # Deliver the signup email. |
| 49 | UserNotifierMailer.send_signup_email(@user).deliver |
| 50 | render_success |
| 51 | else |
| 52 | # Get Devise proper error response. |
| 53 | render_error 'Something wrong with the registration process. Try again later.' |
| 54 | end |
| 55 | end |
| 56 | |
| 57 | def profile |
| 58 | find_user |
| 59 | if @user |
| 60 | render_success |
| 61 | else |
| 62 | render_error 'Unknown user.' |
| 63 | end |
| 64 | end |
| 65 | |
| 66 | def following |
| 67 | find_user |
| 68 | if @user |
| 69 | render_user_following |
| 70 | else |
| 71 | render_error 'Unknown user.' |
| 72 | end |
| 73 | end |
| 74 | |
| 75 | def followers |
| 76 | find_user |
| 77 | if @user |
| 78 | render_user_followers |
| 79 | else |
| 80 | render_error 'Unknown user.' |
| 81 | end |
| 82 | end |
| 83 | |
| 84 | def community |
| 85 | username_to_exclude = params[:exclude] |
| 86 | users = User.all.order(created_at: :asc) |
| 87 | @filtered_users = users.reject(username_to_exclude) |
| 88 | |
| 89 | if @filtered_users |
| 90 | render_community |
| 91 | else |
| 92 | render_error 'Unknown error.' |
| 93 | end |
| 94 | end |
| 95 | |
| 96 | private |
| 97 | |
| 98 | def find_user |
| 99 | username = params[:username].downcase |
| 100 | @user = User.find_by(username: username) || User.find_by(email: username) || User.find_by(id: username) |
| 101 | end |
| 102 | |
| 103 | def render_success |
| 104 | render json: { |
| 105 | code: 200, |
| 106 | message: 'OK.', |
| 107 | user: @user.as_json_packed |
| 108 | }, status: :ok |
| 109 | end |
| 110 | |
| 111 | def render_error(error_code, message, status = :unauthorized) |
| 112 | render json: { |
| 113 | error_code: error_code, |
| 114 | message: message |
| 115 | }, status: status |
| 116 | end |
| 117 | |
| 118 | def render_user_following |
| 119 | render json: { |
| 120 | code: 200, |
| 121 | message: 'OK.', |
| 122 | user: @user.as_json_packed, |
| 123 | following: @user.following.map(&:as_json_packed) |
| 124 | } |
| 125 | end |
| 126 | |
| 127 | def render_user_followers |
| 128 | render json: { |
| 129 | code: 200, |
| 130 | message: 'OK.', |
| 131 | user: @user.as_json_packed, |
| 132 | followers: @user.followers.map(&:as_json_packed) |
| 133 | } |
| 134 | end |
| 135 | |
| 136 | def render_community |
| 137 | render json: { |
| 138 | code: 200, |
| 139 | message: 'OK.', |
| 140 | users: @filtered_users.map(&:as_json_packed) |
| 141 | } |
| 142 | end |
| 143 | |
| 144 | def respond_with(_resource, _opts = {}) |
| 145 | render json: { message: 'You are logged in.' }, status: :ok |
| 146 | end |
| 147 | |
| 148 | def respond_to_on_destroy |
| 149 | log_out_success && return if current_user |
| 150 | |
| 151 | log_out_failure |
| 152 | end |
| 153 | |
| 154 | def log_out_success |
| 155 | render json: { message: 'You are logged out.' }, status: :ok |
| 156 | end |
| 157 | |
| 158 | def log_out_failure |
| 159 | render json: { message: 'Hmm nothing happened.' }, status: :unauthorized |
| 160 | end |
| 161 | end |
| 162 | end |
| 163 | end |