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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
# frozen_string_literal: true
module Gitlab
class TreeSummary
include ::Gitlab::Utils::StrongMemoize
include ::MarkupHelper
CACHE_EXPIRE_IN = 1.hour
MAX_OFFSET = 2**31
attr_reader :commit, :project, :path, :offset, :limit, :user
attr_reader :resolved_commits
private :resolved_commits
def initialize(commit, project, user, params = {})
@commit = commit
@project = project
@user = user
@path = params.fetch(:path, nil).presence
@offset = [params.fetch(:offset, 0).to_i, MAX_OFFSET].min
@limit = (params.fetch(:limit, 25) || 25).to_i
# Ensure that if multiple tree entries share the same last commit, they share
# a ::Commit instance. This prevents us from rendering the same commit title
# multiple times
@resolved_commits = {}
end
# Creates a summary of the tree entries for a commit, within the window of
# entries defined by the offset and limit parameters. This consists of two
# return values:
#
# - An Array of Hashes containing the following keys:
# - file_name: The full path of the tree entry
# - type: One of :blob, :tree, or :submodule
# - commit: The last ::Commit to touch this entry in the tree
# - commit_path: URI of the commit in the web interface
# - An Array of the unique ::Commit objects in the first value
def summarize
summary = contents
.map { |content| build_entry(content) }
.tap { |summary| fill_last_commits!(summary) }
[summary, commits]
end
def fetch_logs
cache_key = ['projects', project.id, 'logs', commit.id, path, offset]
Rails.cache.fetch(cache_key, expires_in: CACHE_EXPIRE_IN) do
logs, _ = summarize
new_offset = next_offset if more?
[logs.as_json, new_offset]
end
end
# Does the tree contain more entries after the given offset + limit?
def more?
all_contents[next_offset].present?
end
# The offset of the next batch of tree entries. If more? returns false, this
# batch will be empty
def next_offset
[all_contents.size + 1, offset + limit].min
end
private
def contents
all_contents[offset, limit]
end
def commits
resolved_commits.values
end
def repository
project.repository
end
def entry_path(entry)
File.join(*[path, entry[:file_name]].compact).force_encoding(Encoding::ASCII_8BIT)
end
def build_entry(entry)
{ file_name: entry.name, type: entry.type }
end
def fill_last_commits!(entries)
# Ensure the path is in "path/" format
ensured_path =
if path
File.join(*[path, ""])
end
commits_hsh = repository.list_last_commits_for_tree(commit.id, ensured_path, offset: offset, limit: limit)
prerender_commit_full_titles!(commits_hsh.values)
entries.each do |entry|
path_key = entry_path(entry)
commit = cache_commit(commits_hsh[path_key])
if commit
entry[:commit] = commit
entry[:commit_path] = commit_path(commit)
entry[:commit_title_html] = markdown_field(commit, :full_title)
end
end
end
def cache_commit(commit)
return unless commit.present?
resolved_commits[commit.id] ||= commit
end
def commit_path(commit)
Gitlab::Routing.url_helpers.project_commit_path(project, commit)
end
def all_contents
strong_memoize(:all_contents) do
[
*tree.trees,
*tree.blobs,
*tree.submodules
]
end
end
def tree
strong_memoize(:tree) { repository.tree(commit.id, path) }
end
def prerender_commit_full_titles!(commits)
# Preload commit authors as they are used in rendering
commits.each(&:lazy_author)
renderer = Banzai::ObjectRenderer.new(user: user, default_project: project)
renderer.render(commits, :full_title)
end
end
end
Gitlab::TreeSummary.prepend_if_ee('::EE::Gitlab::TreeSummary')
|
