Add link to update task state

app/controllers/tasks_controller.rb

@@ -1,8 +1,8 @@
 # coding: utf-8
 class TasksController < ApplicationController
-  before_action :set_task, only: %i[ show edit update destroy ]
+  before_action :set_task, only: %i[ show edit update destroy complete ]
   before_action :get_form_data, only: %i[ new edit ]
-  before_action :logged_in_user, only: %i[ new create edit update destroy]
+  before_action :logged_in_user, only: %i[ new create edit update destroy complete ]
   before_action :search, only: %i[ index ]
 
   def search
@@ -67,6 +67,17 @@ def update
     end
   end
 
+  def complete
+    task_state_name = params[:task_state_name]
+    @task.task_state_id = TaskState.find_by(name: task_state_name).id
+    if @task.update(task_state_params)
+      flash[:success] = "タスクを更新しました"
+      redirect_to tasks_path
+    else
+      redirect_back fallback_location: edit_task_path(@task)
+    end
+  end
+
   # DELETE /tasks/1 or /tasks/1.json
   def destroy
     @task.destroy
@@ -95,6 +106,10 @@ def task_params
     params.require(:task).permit(:assigner_id, :due_at, :content, :description, :project_id, :task_state_id)
   end
 
+  def task_state_params
+    params.permit(:task_state_id)
+  end
+
   def parse_tag_names(tag_names)
     @task.tags = tag_names.split.map do |tag_name|
       tag = Tag.find_by(name: tag_name)

app/views/tasks/index.html.erb

@@ -45,6 +45,7 @@
       <%= link_to '詳細', task %>
       <%= link_to '編集', edit_task_path(task) %>
       <%= link_to '削除', task, method: :delete, data: { confirm: 'このタスクを削除しますか？' } %>
+      <%= link_to '完了', complete_path(task, task_state_name: "done"), method: :put %>
     <% end %>
   </div>
 <% end %>

config/routes.rb

@@ -14,4 +14,5 @@
   delete '/logout',  to: 'sessions#destroy'
   get '/login', to: 'sessions#login_with_passwd_auth'
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
+  put '/tasks/:id/complete', to: 'tasks#complete', as: :complete
 end