Tom Willemse
aa06a99982
When setting and changing priorities no attention was paid to the `story_id', which means that no two tasks could have the same priority, even when belonging to other stories. This creates a weird situation where the tasks of a certain story would become unmanageable because there are gaps between the priorities. This could make it seem like priority changing was impossible.
127 lines
5.2 KiB
Common Lisp
127 lines
5.2 KiB
Common Lisp
;; scrumli --- A simple scrum web application
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;; Copyright (C) 2013 Tom Willemse
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;; scrumli is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU Affero General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; scrumli is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU Affero General Public License for more details.
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;; You should have received a copy of the GNU Affero General Public License
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;; along with scrumli. If not, see <http://www.gnu.org/licenses/>.
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(in-package :scrumli)
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(defclass story ()
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((id :col-type serial :reader story-id)
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(state :col-type string :reader state :initform "TODO")
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(role :col-type string :reader role :initarg :role)
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(necessity :col-type string :reader necessity :initarg :necessity)
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(title :col-type string :reader title :initarg :title)
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(priority :col-type integer :reader priority :initarg :priority)
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(content :col-type string :reader content :initarg :content)
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(reporter :col-type string :reader reporter :initarg :reporter)
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(assignee :col-type string :reader assignee :initarg :assignee))
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(:metaclass dao-class)
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(:keys id))
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(defclass task ()
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((id :col-type serial :reader story-id)
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(state :col-type string :reader state :initform "TODO")
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(description :col-type string :reader description :initarg :description)
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(priority :col-type integer :reader priority :initarg :priority)
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(reporter :col-type string :reader reporter :initarg :reporter)
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(assignee :col-type string :reader assignee :initarg :assignee)
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(story-id :col-type integer :reader story-id :initarg :story-id))
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(:metaclass dao-class)
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(:keys id))
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(deftable task
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(!dao-def)
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(!foreign 'story 'story-id 'id))
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(defun datainit ()
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(unless (table-exists-p 'story)
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(execute (dao-table-definition 'story)))
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(unless (table-exists-p 'task) (create-table 'task)))
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(defun get-all-stories ()
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(query (:order-by (:select :* (:as (:md5 'assignee) 'md5)
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:from 'story) 'priority) :alists))
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(defun get-stories-for (username)
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(query (:order-by (:select :* (:as (:md5 'assignee) 'md5)
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:from 'story
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:where (:= 'assignee username))
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'priority) :alists))
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(defun get-story (id)
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(append (query (:select :* (:as (:md5 'assignee) 'md5) :from 'story
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:where (:= 'id id)) :alist)
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`((tasks . ,(get-tasks-for-story id)))))
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(defun get-tasks-for-story (id)
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(query (:order-by (:select :* (:as (:md5 'assignee) 'md5) :from 'task
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:where (:= 'story-id id))
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'priority)
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:alists))
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(defun post-story (role necessity title content reporter)
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(let ((obj (make-instance
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'story :role role :necessity necessity :title title
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:priority (+ 1 (or (query (:select
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(:coalesce (:max 'priority) 0)
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:from 'story) :single)
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0))
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:content content :assignee "" :reporter reporter)))
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(save-dao obj)))
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(defun post-task (story-id description reporter)
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(let ((obj (make-instance
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'task :description description
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:priority (+ 1 (query (:select
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(:coalesce (:max 'priority) 0)
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:from 'task
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:where (:= 'story-id story-id))
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:single))
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:reporter reporter :story-id (parse-integer story-id)
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:assignee "")))
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(save-dao obj)))
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(defun story-get-state (type id)
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(query (:select 'state :from type :where (:= 'id id)) :single))
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(defun story-set-state (type id state)
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(execute (:update type :set 'state state :where (:= 'id id))))
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(defun story-change-priority (type id dir)
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(let* ((current-priority (query (:select 'priority :from type
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:where (:= 'id id))
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:single))
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(next-priority (funcall (ecase dir (:up #'-) (:down #'+))
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current-priority 1))
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(max-priority
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(case type
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('story (query (:select (:max 'priority) :from type)
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:single))
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('task
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(query (:select
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(:max 'priority) :from type
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:where (:= 'story-id
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(:select 'story-id
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:from 'task
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:where (:= 'id id))))
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:single)))))
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(execute (:update type :set 'priority current-priority
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:where (:= 'priority next-priority)))
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(execute (:update type :set
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'priority (max 1 (min next-priority max-priority))
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:where (:= 'id id)))))
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(defun set-assignee (type id assignee)
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(execute (:update type :set 'assignee assignee
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:where (:= 'id id))))
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