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lib/gitlab/graph/'
| @@ -1,165 +0,0 @@ | @@ -1,165 +0,0 @@ | ||
| 1 | -require "grit" | ||
| 2 | - | ||
| 3 | -module Gitlab | ||
| 4 | - module Graph | ||
| 5 | - class JsonBuilder | ||
| 6 | - attr_accessor :max_count, :days, :commits | ||
| 7 | - | ||
| 8 | - def initialize project | ||
| 9 | - @project = project | ||
| 10 | - @repo = project.repo | ||
| 11 | - @commits = collect_commits(@repo).dup | ||
| 12 | - @ref_cache = {} | ||
| 13 | - | ||
| 14 | - @commits.map! { |commit| Graph::Commit.new(Commit.new(commit))} | ||
| 15 | - @commits.each { |commit| commit.add_refs(ref_cache, @repo) } | ||
| 16 | - | ||
| 17 | - days = Graph::Commit.index_commits(@commits) | ||
| 18 | - | ||
| 19 | - return @days_json, @commits_json | ||
| 20 | - end | ||
| 21 | - | ||
| 22 | - def collect_commits | ||
| 23 | - end | ||
| 24 | - | ||
| 25 | - def days_json | ||
| 26 | - @days_json = @days.compact.map { |d| [d.day, d.strftime("%b")] }.to_json | ||
| 27 | - end | ||
| 28 | - | ||
| 29 | - def commits_json | ||
| 30 | - @commits_json = @commits.map(&:to_graph_hash).to_json | ||
| 31 | - end | ||
| 32 | - | ||
| 33 | - # Get commits from repository | ||
| 34 | - # | ||
| 35 | - def collect_commits repo | ||
| 36 | - Grit::Commit.find_all(repo, nil, {max_count: self.max_count}) | ||
| 37 | - end | ||
| 38 | - | ||
| 39 | - def max_count | ||
| 40 | - @max_count ||= 650 | ||
| 41 | - end | ||
| 42 | - | ||
| 43 | - # Method is adding time and space on the | ||
| 44 | - # list of commits. As well as returns date list | ||
| 45 | - # corelated with time set on commits. | ||
| 46 | - # | ||
| 47 | - # @param [Array<Graph::Commit>] comits to index | ||
| 48 | - # | ||
| 49 | - # @return [Array<TimeDate>] list of commit dates corelated with time on commits | ||
| 50 | - def index_commits(commits) | ||
| 51 | - days, heads = [], [] | ||
| 52 | - map = {} | ||
| 53 | - | ||
| 54 | - commits.reverse.each_with_index do |c,i| | ||
| 55 | - c.time = i | ||
| 56 | - days[i] = c.committed_date | ||
| 57 | - map[c.id] = c | ||
| 58 | - heads += c.refs unless c.refs.nil? | ||
| 59 | - end | ||
| 60 | - | ||
| 61 | - heads.select!{|h| h.is_a? Grit::Head or h.is_a? Grit::Remote} | ||
| 62 | - # sort heads so the master is top and current branches are closer | ||
| 63 | - heads.sort! do |a,b| | ||
| 64 | - if a.name == "master" | ||
| 65 | - -1 | ||
| 66 | - elsif b.name == "master" | ||
| 67 | - 1 | ||
| 68 | - else | ||
| 69 | - b.commit.committed_date <=> a.commit.committed_date | ||
| 70 | - end | ||
| 71 | - end | ||
| 72 | - | ||
| 73 | - @_reserved = {} | ||
| 74 | - days.each_index do |i| | ||
| 75 | - @_reserved[i] = [] | ||
| 76 | - end | ||
| 77 | - | ||
| 78 | - heads.each do |h| | ||
| 79 | - if map.include? h.commit.id then | ||
| 80 | - place_chain(map[h.commit.id], map) | ||
| 81 | - end | ||
| 82 | - end | ||
| 83 | - days | ||
| 84 | - end | ||
| 85 | - | ||
| 86 | - # Add space mark on commit and its parents | ||
| 87 | - # | ||
| 88 | - # @param [Graph::Commit] the commit object. | ||
| 89 | - # @param [Hash<String,Graph::Commit>] map of commits | ||
| 90 | - def place_chain(commit, map, parent_time = nil) | ||
| 91 | - leaves = take_left_leaves(commit, map) | ||
| 92 | - if leaves.empty? then | ||
| 93 | - return | ||
| 94 | - end | ||
| 95 | - space = find_free_space(leaves.last.time..leaves.first.time) | ||
| 96 | - leaves.each{|l| l.space = space} | ||
| 97 | - # and mark it as reserved | ||
| 98 | - min_time = leaves.last.time | ||
| 99 | - parents = leaves.last.parents.collect | ||
| 100 | - parents.each do |p| | ||
| 101 | - if map.include? p.id then | ||
| 102 | - parent = map[p.id] | ||
| 103 | - if parent.time < min_time then | ||
| 104 | - min_time = parent.time | ||
| 105 | - end | ||
| 106 | - end | ||
| 107 | - end | ||
| 108 | - if parent_time.nil? then | ||
| 109 | - max_time = leaves.first.time | ||
| 110 | - else | ||
| 111 | - max_time = parent_time - 1 | ||
| 112 | - end | ||
| 113 | - mark_reserved(min_time..max_time, space) | ||
| 114 | - # Visit branching chains | ||
| 115 | - leaves.each do |l| | ||
| 116 | - parents = l.parents.collect | ||
| 117 | - .select{|p| map.include? p.id and map[p.id].space == 0} | ||
| 118 | - for p in parents | ||
| 119 | - place_chain(map[p.id], map, l.time) | ||
| 120 | - end | ||
| 121 | - end | ||
| 122 | - end | ||
| 123 | - | ||
| 124 | - def mark_reserved(time_range, space) | ||
| 125 | - for day in time_range | ||
| 126 | - @_reserved[day].push(space) | ||
| 127 | - end | ||
| 128 | - end | ||
| 129 | - | ||
| 130 | - def find_free_space(time_range) | ||
| 131 | - reserved = [] | ||
| 132 | - for day in time_range | ||
| 133 | - reserved += @_reserved[day] | ||
| 134 | - end | ||
| 135 | - space = 1 | ||
| 136 | - while reserved.include? space do | ||
| 137 | - space += 1 | ||
| 138 | - end | ||
| 139 | - space | ||
| 140 | - end | ||
| 141 | - | ||
| 142 | - # Takes most left subtree branch of commits | ||
| 143 | - # which don't have space mark yet. | ||
| 144 | - # | ||
| 145 | - # @param [Graph::Commit] the commit object. | ||
| 146 | - # @param [Hash<String,Graph::Commit>] map of commits | ||
| 147 | - # | ||
| 148 | - # @return [Array<Graph::Commit>] list of branch commits | ||
| 149 | - def take_left_leaves(commit, map) | ||
| 150 | - leaves = [] | ||
| 151 | - leaves.push(commit) if commit.space == 0 | ||
| 152 | - while true | ||
| 153 | - parent = commit.parents.collect | ||
| 154 | - self.select{|p| map.include? p.id and map[p.id].space == 0} | ||
| 155 | - if parent.count == 0 then | ||
| 156 | - return leaves | ||
| 157 | - else | ||
| 158 | - commit = map[parent.first.id] | ||
| 159 | - leaves.push(commit) | ||
| 160 | - end | ||
| 161 | - end | ||
| 162 | - end | ||
| 163 | - end | ||
| 164 | - end | ||
| 165 | -end |