1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
# encoding: utf-8
#--
# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#++
class Page
class UserNotSetError < StandardError; end
# TODO: support for more formats
DEFAULT_FORMAT = "markdown"
# TODO: support nested pages
TITLE_FORMAT = /([A-Z][a-z]+)/.freeze
def self.find(name, repo, format = DEFAULT_FORMAT)
fullname = "#{name}.#{format}"
blob = find_or_create_blob(fullname, repo)
new(fullname, blob, repo)
end
def self.find_or_create_blob(fullname, repo)
if blob = repo.tree/fullname
return blob
else
Grit::Blob.create(repo, :name => fullname, :data => '')
end
end
def initialize(name, blob, repo)
@name = name
@blob = blob
@repo = repo
end
attr_accessor :user, :name
def content
@content ||= @blob.data
end
def content=(new_content)
@content = new_content
end
def new?
@blob.id.nil?
end
def new_record?
# always false as a easy hack around rails' form handling
false
end
def to_param
title
end
alias_method :id, :to_param
def title
name.sub(/\.#{DEFAULT_FORMAT}$/, "")
end
def reload
@blob = @repo.tree/@name
end
def commit
return if new?
logs = @repo.log("master", @name, {:max_count => 1})
return if logs.empty?
logs.first
end
def committed_by_user
return user if new?
User.find_by_email_with_aliases(commit.committer.email)
end
def valid?
(title =~ TITLE_FORMAT) == 0
end
def save
return false unless valid?
raise UserNotSetError unless user
actor = user.to_grit_actor
index = @repo.index
index.add(@name, @content)
msg = new? ? "Created #{@name}" : "Updated #{title}"
if head = @repo.commit("HEAD")
parents = [head.id]
last_tree = index.read_tree(head.tree.id)
else
parents = []
last_tree = nil
end
index.commit(msg, parents, actor, last_tree)
end
def history(max_count = 30)
@repo.log("master", @name, {:max_count => max_count})
end
end
|
