WIP: help url points to latest app doc on OTBCookBook

otb/OTBAlgorithm.py

@@ -110,18 +110,9 @@ class OTBAlgorithm(QgsProcessingAlgorithm):
     def initAlgorithm(self, config=None):
         pass
 
-    #TODO:
-    def help(self):
-        #version = OTBUtils.getInstalledVersion()
-        # folder = OTBUtils.compatibleDescriptionPath(version)
-        # if folder is None:
-        #     return False, None
-        # folder = os.path.join(folder, 'doc')
-        # helpfile = os.path.join(str(folder), self.appkey + ".html")
-        # if os.path.exists(helpfile):
-        #     return False, helpfile
-        # else:
-        return False, None
+    #TODO: show version which is same as OTBAlgorithm rather than always latest.
+    def helpUrl(self):
+        return "https://www.orfeo-toolbox.org/CookBook/Applications/app_" + self.name()   + ".html"
 
     def defineCharacteristicsFromFile(self):
         line = None