Add `reference_pattern` to Referable models

9 files changed, 16 insertions, 65 deletions

diff --git a/lib/gitlab/markdown/commit_range_reference_filter.rb b/lib/gitlab/markdown/commit_range_reference_filter.rb
index 8764f7e474f..61591a9914b 100644
--- a/lib/gitlab/markdown/commit_range_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_range_reference_filter.rb
@@ -19,7 +19,7 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(COMMIT_RANGE_PATTERN) do |match|
+        text.gsub(CommitRange.reference_pattern) do |match|
           yield match, $~[:commit_range], $~[:project]
         end
       end
@@ -30,13 +30,8 @@ module Gitlab
         @commit_map = {}
       end
 
-      # Pattern used to extract commit range references from text
-      #
-      # This pattern supports cross-project references.
-      COMMIT_RANGE_PATTERN = /(#{PROJECT_PATTERN}@)?(?<commit_range>#{CommitRange::PATTERN})/
-
       def call
-        replace_text_nodes_matching(COMMIT_RANGE_PATTERN) do |content|
+        replace_text_nodes_matching(CommitRange.reference_pattern) do |content|
           commit_range_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/commit_reference_filter.rb b/lib/gitlab/markdown/commit_reference_filter.rb
index b20b29f5d0c..f6932e76e70 100644
--- a/lib/gitlab/markdown/commit_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_reference_filter.rb
@@ -19,20 +19,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(COMMIT_PATTERN) do |match|
+        text.gsub(Commit.reference_pattern) do |match|
           yield match, $~[:commit], $~[:project]
         end
       end
 
-      # Pattern used to extract commit references from text
-      #
-      # The SHA1 sum can be between 6 and 40 hex characters.
-      #
-      # This pattern supports cross-project references.
-      COMMIT_PATTERN = /(#{PROJECT_PATTERN}@)?(?<commit>\h{6,40})/
-
       def call
-        replace_text_nodes_matching(COMMIT_PATTERN) do |content|
+        replace_text_nodes_matching(Commit.reference_pattern) do |content|
           commit_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/cross_project_reference.rb b/lib/gitlab/markdown/cross_project_reference.rb
index c436fabd658..66c256c5104 100644
--- a/lib/gitlab/markdown/cross_project_reference.rb
+++ b/lib/gitlab/markdown/cross_project_reference.rb
@@ -3,9 +3,6 @@ module Gitlab
     # Common methods for ReferenceFilters that support an optional cross-project
     # reference.
     module CrossProjectReference
-      NAMING_PATTERN  = Gitlab::Regex::NAMESPACE_REGEX_STR
-      PROJECT_PATTERN = "(?<project>#{NAMING_PATTERN}/#{NAMING_PATTERN})"
-
       # Given a cross-project reference string, get the Project record
       #
       # Defaults to value of `context[:project]` if:
diff --git a/lib/gitlab/markdown/external_issue_reference_filter.rb b/lib/gitlab/markdown/external_issue_reference_filter.rb
index 0fc3f4cca06..2e74c6e45e2 100644
--- a/lib/gitlab/markdown/external_issue_reference_filter.rb
+++ b/lib/gitlab/markdown/external_issue_reference_filter.rb
@@ -16,19 +16,16 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(ISSUE_PATTERN) do |match|
+        text.gsub(ExternalIssue.reference_pattern) do |match|
           yield match, $~[:issue]
         end
       end
 
-      # Pattern used to extract `JIRA-123` issue references from text
-      ISSUE_PATTERN = /(?<issue>([A-Z\-]+-)\d+)/
-
       def call
         # Early return if the project isn't using an external tracker
         return doc if project.nil? || project.default_issues_tracker?
 
-        replace_text_nodes_matching(ISSUE_PATTERN) do |content|
+        replace_text_nodes_matching(ExternalIssue.reference_pattern) do |content|
           issue_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/issue_reference_filter.rb b/lib/gitlab/markdown/issue_reference_filter.rb
index 1e885615163..2815626e247 100644
--- a/lib/gitlab/markdown/issue_reference_filter.rb
+++ b/lib/gitlab/markdown/issue_reference_filter.rb
@@ -20,18 +20,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(ISSUE_PATTERN) do |match|
+        text.gsub(Issue.reference_pattern) do |match|
           yield match, $~[:issue].to_i, $~[:project]
         end
       end
 
-      # Pattern used to extract `#123` issue references from text
-      #
-      # This pattern supports cross-project references.
-      ISSUE_PATTERN = /#{PROJECT_PATTERN}?\#(?<issue>([a-zA-Z\-]+-)?\d+)/
-
       def call
-        replace_text_nodes_matching(ISSUE_PATTERN) do |content|
+        replace_text_nodes_matching(Issue.reference_pattern) do |content|
           issue_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/label_reference_filter.rb b/lib/gitlab/markdown/label_reference_filter.rb
index 1a77becee89..9f8c85b7012 100644
--- a/lib/gitlab/markdown/label_reference_filter.rb
+++ b/lib/gitlab/markdown/label_reference_filter.rb
@@ -15,26 +15,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(LABEL_PATTERN) do |match|
+        text.gsub(Label.reference_pattern) do |match|
           yield match, $~[:label_id].to_i, $~[:label_name]
         end
       end
 
-      # Pattern used to extract label references from text
-      #
-      # TODO (rspeicher): Limit to double quotes (meh) or disallow single quotes in label names (bad).
-      LABEL_PATTERN = %r{
-        ~(
-          (?<label_id>\d+)   | # Integer-based label ID, or
-          (?<label_name>
-            [A-Za-z0-9_-]+   | # String-based single-word label title
-            ['"][^&\?,]+['"]   # String-based multi-word label surrounded in quotes
-          )
-        )
-      }x
-
       def call
-        replace_text_nodes_matching(LABEL_PATTERN) do |content|
+        replace_text_nodes_matching(Label.reference_pattern) do |content|
           label_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/merge_request_reference_filter.rb b/lib/gitlab/markdown/merge_request_reference_filter.rb
index 740d72abb36..fddc050635f 100644
--- a/lib/gitlab/markdown/merge_request_reference_filter.rb
+++ b/lib/gitlab/markdown/merge_request_reference_filter.rb
@@ -20,18 +20,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(MERGE_REQUEST_PATTERN) do |match|
+        text.gsub(MergeRequest.reference_pattern) do |match|
           yield match, $~[:merge_request].to_i, $~[:project]
         end
       end
 
-      # Pattern used to extract `!123` merge request references from text
-      #
-      # This pattern supports cross-project references.
-      MERGE_REQUEST_PATTERN = /#{PROJECT_PATTERN}?!(?<merge_request>\d+)/
-
       def call
-        replace_text_nodes_matching(MERGE_REQUEST_PATTERN) do |content|
+        replace_text_nodes_matching(MergeRequest.reference_pattern) do |content|
           merge_request_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/snippet_reference_filter.rb b/lib/gitlab/markdown/snippet_reference_filter.rb
index 64a0a2696f7..f22f08de27c 100644
--- a/lib/gitlab/markdown/snippet_reference_filter.rb
+++ b/lib/gitlab/markdown/snippet_reference_filter.rb
@@ -20,18 +20,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(SNIPPET_PATTERN) do |match|
+        text.gsub(Snippet.reference_pattern) do |match|
           yield match, $~[:snippet].to_i, $~[:project]
         end
       end
 
-      # Pattern used to extract `$123` snippet references from text
-      #
-      # This pattern supports cross-project references.
-      SNIPPET_PATTERN = /#{PROJECT_PATTERN}?\$(?<snippet>\d+)/
-
       def call
-        replace_text_nodes_matching(SNIPPET_PATTERN) do |content|
+        replace_text_nodes_matching(Snippet.reference_pattern) do |content|
           snippet_link_filter(content)
         end
       end
diff --git a/lib/gitlab/markdown/user_reference_filter.rb b/lib/gitlab/markdown/user_reference_filter.rb
index 28ec041b1d4..ca7fd7b0338 100644
--- a/lib/gitlab/markdown/user_reference_filter.rb
+++ b/lib/gitlab/markdown/user_reference_filter.rb
@@ -16,16 +16,13 @@ module Gitlab
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-        text.gsub(USER_PATTERN) do |match|
+        text.gsub(User.reference_pattern) do |match|
           yield match, $~[:user]
         end
       end
 
-      # Pattern used to extract `@user` user references from text
-      USER_PATTERN = /@(?<user>#{Gitlab::Regex::NAMESPACE_REGEX_STR})/
-
       def call
-        replace_text_nodes_matching(USER_PATTERN) do |content|
+        replace_text_nodes_matching(User.reference_pattern) do |content|
           user_link_filter(content)
         end
       end