scrumli/data.lisp
Tom Willemse bb2f75ec1c Really fix setting priority for tasks
When selecting the task to replace the task with based on priority, be
sure to limit the options to tasks with the same story id.
2013-08-18 23:19:25 +02:00

134 lines
5.5 KiB
Common Lisp

;; scrumli --- A simple scrum web application
;; Copyright (C) 2013 Tom Willemse
;; scrumli is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; scrumli is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU Affero General Public License for more details.
;; You should have received a copy of the GNU Affero General Public License
;; along with scrumli. If not, see <http://www.gnu.org/licenses/>.
(in-package :scrumli)
(defclass story ()
((id :col-type serial :reader story-id)
(state :col-type string :reader state :initform "TODO")
(role :col-type string :reader role :initarg :role)
(necessity :col-type string :reader necessity :initarg :necessity)
(title :col-type string :reader title :initarg :title)
(priority :col-type integer :reader priority :initarg :priority)
(content :col-type string :reader content :initarg :content)
(reporter :col-type string :reader reporter :initarg :reporter)
(assignee :col-type string :reader assignee :initarg :assignee))
(: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))
(defun datainit ()
(unless (table-exists-p 'story)
(execute (dao-table-definition 'story)))
(unless (table-exists-p 'task) (create-table 'task)))
(defun get-all-stories ()
(query (:order-by (:select :* (:as (:md5 'assignee) 'md5)
:from 'story) 'priority) :alists))
(defun get-stories-for (username)
(query (:order-by (:select :* (:as (:md5 'assignee) 'md5)
:from 'story
:where (:= 'assignee username))
'priority) :alists))
(defun get-story (id)
(append (query (:select :* (:as (:md5 'assignee) 'md5) :from 'story
:where (:= 'id id)) :alist)
`((tasks . ,(get-tasks-for-story id)))))
(defun get-tasks-for-story (id)
(query (:order-by (:select :* (:as (:md5 'assignee) 'md5) :from 'task
:where (:= 'story-id id))
'priority)
:alists))
(defun post-story (role necessity title content reporter)
(let ((obj (make-instance
'story :role role :necessity necessity :title title
:priority (+ 1 (or (query (:select
(:coalesce (:max 'priority) 0)
:from 'story) :single)
0))
:content content :assignee "" :reporter reporter)))
(save-dao obj)))
(defun post-task (story-id description reporter)
(let ((obj (make-instance
'task :description description
:priority (+ 1 (query (:select
(:coalesce (:max 'priority) 0)
:from 'task
:where (:= 'story-id story-id))
:single))
:reporter reporter :story-id (parse-integer story-id)
:assignee "")))
(save-dao obj)))
(defun story-get-state (type id)
(query (:select 'state :from type :where (:= 'id id)) :single))
(defun story-set-state (type id state)
(execute (:update type :set 'state state :where (:= 'id id))))
(defun story-change-priority (id dir)
(let* ((current-priority (query (:select 'priority :from 'story
:where (:= 'id id))
:single))
(next-priority (funcall (ecase dir (:up #'-) (:down #'+))
current-priority 1))
(max-priority
(query (:select (:max 'priority) :from 'story)
:single)))
(execute (:update 'story :set 'priority current-priority
:where (:= 'priority next-priority)))
(execute (:update 'story :set
'priority (max 1 (min next-priority max-priority))
:where (:= 'id id)))))
(defun task-change-priority (id dir)
(destructuring-bind (priority story-id)
(query (:select 'priority 'story-id :from 'task
:where (:= 'id id)) :list)
(let* ((next-priority
(funcall (ecase dir (:up #'-) (:down #'+)) priority 1))
(max-priority
(query (:select (:max 'priority) :from 'task
:where (:= 'story-id story-id)) :single)))
(execute (:update 'task :set 'priority priority
:where (:and (:= 'priority next-priority)
(:= 'story-id story-id))))
(execute (:update 'task :set
'priority (max 1 (min next-priority max-priority))
:where (:= 'id id))))))
(defun set-assignee (type id assignee)
(execute (:update type :set 'assignee assignee
:where (:= 'id id))))