From 30ca7023232b960126119322bdb5c02d7292ffde Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Barrag=C3=A1n=20Merino?=
 <david.barragan@kaleidos.net>
Date: Tue, 25 Nov 2014 13:06:15 +0100
Subject: [PATCH] Fix wikilink extension: use absolute urls

---
 taiga/mdrender/extensions/wikilinks.py | 59 +++++++-------------------
 taiga/mdrender/service.py              | 10 ++---
 tests/unit/test_mdrender.py            |  4 +-
 3 files changed, 21 insertions(+), 52 deletions(-)

diff --git a/taiga/mdrender/extensions/wikilinks.py b/taiga/mdrender/extensions/wikilinks.py
index a7f2c657..b7f169b5 100644
--- a/taiga/mdrender/extensions/wikilinks.py
+++ b/taiga/mdrender/extensions/wikilinks.py
@@ -15,69 +15,42 @@
 # 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/>.
 
-from __future__ import absolute_import
-from __future__ import unicode_literals
 from markdown import Extension
 from markdown.inlinepatterns import Pattern
 from markdown.util import etree
-import re
 
-
-def build_url(label, base, end):
-    """ Build a url from the label, a base, and an end. """
-    clean_label = re.sub(r'([ ]+_)|(_[ ]+)|([ ]+)', '_', label)
-    return '%s%s%s' % (base, clean_label, end)
+from taiga.front import resolve
 
 
 class WikiLinkExtension(Extension):
-    def __init__(self, configs):
-        # set extension defaults
-        self.config = {
-            'base_url': ['/', 'String to append to beginning or URL.'],
-            'end_url': ['/', 'String to append to end of URL.'],
-            'html_class': ['wikilink', 'CSS hook. Leave blank for none.'],
-            'build_url': [build_url, 'Callable formats URL from label.'],
-        }
-        configs = dict(configs) or {}
-        # Override defaults with user settings
-        for key, value in configs.items():
-            self.setConfig(key, value)
+    def __init__(self, project, *args, **kwargs):
+        self.project = project
+        return super().__init__(*args, **kwargs)
 
     def extendMarkdown(self, md, md_globals):
-        self.md = md
-
-        # append to end of inline patterns
-        WIKILINK_RE = r'\[\[([\w0-9_ -]+)(\|[\w0-9_ -]+)?\]\]'
-        wikilinkPattern = WikiLinks(WIKILINK_RE, self.getConfigs())
+        WIKILINK_RE = r"\[\[([\w0-9_ -]+)(\|[\w0-9_ -]+)?\]\]"
+        wikilinkPattern = WikiLinksPattern(WIKILINK_RE, self.project)
         wikilinkPattern.md = md
-        md.inlinePatterns.add('wikilink', wikilinkPattern, "<not_strong")
+        md.inlinePatterns.add("wikilink", wikilinkPattern, "<not_strong")
 
 
-class WikiLinks(Pattern):
-    def __init__(self, pattern, config):
-        super(WikiLinks, self).__init__(pattern)
-        self.config = config
+class WikiLinksPattern(Pattern):
+    def __init__(self, pattern, project):
+        self.project = project
+        super().__init__(pattern)
 
     def handleMatch(self, m):
-        base_url, end_url, html_class = self._getMeta()
         label = m.group(2).strip()
-        url = self.config['build_url'](label, base_url, end_url)
+        url = resolve("wiki", self.project.slug, label)
 
         if m.group(3):
             title = m.group(3).strip()[1:]
         else:
             title = label
 
-        a = etree.Element('a')
+        a = etree.Element("a")
         a.text = title
-        a.set('href', url)
-        if html_class:
-            a.set('class', html_class)
+        a.set("href", url)
+        a.set("title", title)
+        a.set("class", "reference wiki")
         return a
-
-    def _getMeta(self):
-        """ Return meta data or config data. """
-        base_url = self.config['base_url']
-        end_url = self.config['end_url']
-        html_class = self.config['html_class']
-        return base_url, end_url, html_class
diff --git a/taiga/mdrender/service.py b/taiga/mdrender/service.py
index 82824e10..e0307302 100644
--- a/taiga/mdrender/service.py
+++ b/taiga/mdrender/service.py
@@ -63,13 +63,13 @@ bleach.ALLOWED_ATTRIBUTES["img"] = ["alt", "src"]
 bleach.ALLOWED_ATTRIBUTES["*"] = ["class", "style"]
 
 
-def _make_extensions_list(wikilinks_config=None, project=None):
+def _make_extensions_list(project=None):
     return [AutolinkExtension(),
             AutomailExtension(),
             SemiSaneListExtension(),
             SpacedLinkExtension(),
             StrikethroughExtension(),
-            WikiLinkExtension(wikilinks_config),
+            WikiLinkExtension(project),
             EmojifyExtension(),
             MentionsExtension(),
             TaigaReferencesExtension(project),
@@ -103,11 +103,7 @@ def _get_markdown(project):
     def build_url(*args, **kwargs):
         return args[1] + slugify(args[0])
 
-    wikilinks_config = {"base_url": "/project/{}/wiki/".format(project.slug),
-                        "end_url": "",
-                        "build_url": build_url}
-    extensions = _make_extensions_list(wikilinks_config=wikilinks_config,
-                                       project=project)
+    extensions = _make_extensions_list(project=project)
     md = Markdown(extensions=extensions)
     md.extracted_data = {"mentions": [], "references": []}
     return md
diff --git a/tests/unit/test_mdrender.py b/tests/unit/test_mdrender.py
index 1b2d98ea..c1ec53d2 100644
--- a/tests/unit/test_mdrender.py
+++ b/tests/unit/test_mdrender.py
@@ -106,12 +106,12 @@ def test_render_relative_link():
 
 
 def test_render_wikilink():
-    expected_result = "<p><a class=\"wikilink\" href=\"/project/test/wiki/test\">test</a></p>"
+    expected_result = "<p><a class=\"reference wiki\" href=\"http://localhost:9001/project/test/wiki/test\" title=\"test\">test</a></p>"
     assert render(dummy_project, "[[test]]") == expected_result
 
 
 def test_render_wikilink_with_custom_title():
-    expected_result = "<p><a class=\"wikilink\" href=\"/project/test/wiki/test\">custom</a></p>"
+    expected_result = "<p><a class=\"reference wiki\" href=\"http://localhost:9001/project/test/wiki/test\" title=\"custom\">custom</a></p>"
     assert render(dummy_project, "[[test|custom]]") == expected_result