From c65cde9e8e55b39ff468e4b5ce76d51fb0468d7e Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Thu, 4 Jul 2013 21:51:31 +0200
Subject: [PATCH] Add tasks to stories

---
 defmodule.lisp    |  6 ++++
 pg-datastore.lisp | 36 ++++++++++++++++++++--
 scrumli.lisp      |  7 +++++
 static/js/main.js | 76 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 123 insertions(+), 2 deletions(-)

diff --git a/defmodule.lisp b/defmodule.lisp
index d3756c9..2cc9148 100644
--- a/defmodule.lisp
+++ b/defmodule.lisp
@@ -12,9 +12,15 @@
   (define-method get-story (id)
     "Get a story from the datastore.")
 
+  (define-method get-tasks-for-story (id)
+    "Get the tasks associated with a story.")
+
   (define-method post-story (role necessity title content reporter)
     "Post a new story.")
 
+  (define-method post-task (story-id description reporter)
+    "Post a new task for a story.")
+
   (define-method story-get-state (id)
     "Get the state of a story.")
 
diff --git a/pg-datastore.lisp b/pg-datastore.lisp
index 8cfdbeb..d6b3e54 100644
--- a/pg-datastore.lisp
+++ b/pg-datastore.lisp
@@ -17,10 +17,27 @@
   (:metaclass dao-class)
   (:keys id))
 
+(defclass task ()
+  ((id :col-type serial :reader story-id)
+   (state :col-type string :reader state :initform "TODO")
+   (description :col-type string :reader description :initarg :description)
+   (priority :col-type integer :reader priority :initarg :priority)
+   (reporter :col-type string :reader reporter :initarg :reporter)
+   (assignee :col-type string :reader assignee :initarg :assignee)
+   (story-id :col-type integer :reader story-id :initarg :story-id))
+  (:metaclass dao-class)
+  (:keys id))
+
+(deftable task
+  (!dao-def)
+  (!foreign 'story 'story-id 'id))
+
 (defmethod datastore-init ((datastore pg-datastore))
   (with-connection (connection-spec datastore)
     (unless (table-exists-p 'story)
-      (execute (dao-table-definition 'story)))))
+      (execute (dao-table-definition 'story)))
+    (unless (table-exists-p 'task)
+      (execute (dao-table-definition 'task)))))
 
 (defmethod datastore-get-all-stories ((datastore pg-datastore))
   (with-connection (connection-spec datastore)
@@ -28,7 +45,10 @@
 
 (defmethod datastore-get-story ((datastore pg-datastore) id)
   (with-connection (connection-spec datastore)
-    (query (:select :* :from 'story :where (:= 'id id)) :alist)))
+    (append (query (:select :* :from 'story :where (:= 'id id)) :alist)
+            `((tasks . ,(query (:select :* :from 'task
+                                        :where (:= 'story-id id))
+                               :alists))))))
 
 (defmethod datastore-post-story
     ((datastore pg-datastore) role necessity title content reporter)
@@ -42,6 +62,18 @@
                 :content content :assignee "" :reporter reporter)))
       (save-dao obj))))
 
+(defmethod datastore-post-task
+    ((datastore pg-datastore) story-id description reporter)
+  (with-connection (connection-spec datastore)
+    (let ((obj (make-instance
+                'task :description description
+                :priority (+ 1 (query (:select
+                                       (:coalesce (:max 'priority) 0)
+                                       :from 'task) :single))
+                :reporter reporter :story-id (parse-integer story-id)
+                :assignee "")))
+      (save-dao obj))))
+
 (defmethod datastore-story-get-state ((datastore pg-datastore) id)
   (with-connection (connection-spec datastore)
     (query (:select 'state :from 'story :where (:= 'id id)) :single)))
diff --git a/scrumli.lisp b/scrumli.lisp
index ef2b66a..0f563d9 100644
--- a/scrumli.lisp
+++ b/scrumli.lisp
@@ -80,6 +80,13 @@
         200)
       403))
 
+(define-route tasks-new ("stories/:id/tasks/new" :method :post)
+  (if (logged-in-p)
+      (let ((description (hunchentoot:post-parameter "description")))
+        (post-task id description (hunchentoot:session-value :username))
+        200)
+      403))
+
 (define-route stories-state ("stories/state" :method :post)
   (if (logged-in-p)
       (let* ((id (hunchentoot:post-parameter "id"))
diff --git a/static/js/main.js b/static/js/main.js
index 0bc589a..a3092e4 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -8,12 +8,88 @@ var StateIcon = React.createClass({
     }
 });
 
+var StoryTaskRow = React.createClass({
+    render: function() {
+        var state = " " + this.props.task.state;
+
+        return (
+            <tr>
+              <td class="span1">
+                <i class="icon-arrow-up"></i>
+                <i class="icon-arrow-down"></i>
+              </td>
+              <td class="span2">
+                <span>
+                  <StateIcon state={this.props.task.state} />
+                  {state}
+                </span>
+              </td>
+              <td>
+                {this.props.task.description}
+              </td>
+            </tr>
+        );
+
+    }
+});
+
+var StoryTaskTable = React.createClass({
+    render: function() {
+        var taskNodes = this.props.tasks.map(function (task) {
+            return <StoryTaskRow task={task} />;
+        });
+        return (
+            <table class="table table-striped">
+              {taskNodes}
+            </table>
+        );
+    }
+});
+
+var StoryTaskForm = React.createClass({
+    handleSubmit: React.autoBind(function() {
+        var text = this.refs.text.getDOMNode().value.trim();
+
+        this.props.onTaskSubmit({description: text});
+
+        this.refs.text.getDOMNode().value = '';
+
+        return false;
+    }),
+    render: function() {
+        return (
+            <form onSubmit={this.handleSubmit}>
+              <fieldset>
+                <legend>New task</legend>
+                <div class="input-append">
+                  <input type="text" ref="text" class="input-medium" />
+                  <button type="submit" class="btn btn-primary">
+                    Send
+                  </button>
+                </div>
+              </fieldset>
+            </form>
+        );
+    }
+});
+
 var StoryData = React.createClass({
+    handleTaskSubmit: React.autoBind(function (task) {
+        $.ajax({
+            url: "/stories/" + this.props.data.id + "/tasks/new",
+            type: "POST",
+            data: task,
+            dataType: 'json',
+            mimeType: 'textPlain'
+        });
+    }),
     render: function() {
         if (this.props.data) {
             return (<div>
                     Assignee: {this.props.data.assignee}
                     <pre>{this.props.data.content}</pre>
+                    <StoryTaskTable tasks={this.props.data.tasks} />
+                    <StoryTaskForm onTaskSubmit={this.handleTaskSubmit} />
                     </div>);
         }