Merge branch 'doc-dev' with refactoring and user/dev documentation.

src/Model/Geometry/Profile.py

@@ -56,6 +56,9 @@ class Profile(object):
 
         self._profile_type = _type
 
+    def __len__(self):
+        return len(self._points)
+
     @property
     def number_points(self):
         return len(self._points)

src/Model/Geometry/Reach.py

@@ -42,7 +42,7 @@ class Reach(SQLSubModel):
     ]
 
     def __init__(self, status=None, parent=None):
-        self.id = parent.id
+        self.id = parent.id if parent is not None else 0
         self._status = status
         self._parent = parent
         self._profiles: List[Profile] = []
@@ -106,6 +106,9 @@ class Reach(SQLSubModel):
 
         return self._parent.name
 
+    def __len__(self):
+        return len(self._profiles)
+
     @property
     def profiles(self):
         return self._profiles.copy()

src/Model/Results/Results.py

@@ -43,6 +43,10 @@ class Results(object):
     def river(self):
         return self._river
 
+    @property
+    def study(self):
+        return self._study
+
     def set(self, key, value):
         self._meta_data[key] = value
 

src/Model/Results/River/River.py

@@ -26,6 +26,9 @@ class Profile(object):
         self._profile = profile # Source profile in the study
         self._data = {} # Dict of dict {<ts>: {<key>: <value>, ...}, ...}
 
+    def __len__(self):
+        return len(self._data)
+
     @property
     def name(self):
         return self._profile.name
@@ -66,6 +69,9 @@ class Reach(object):
             )
         )
 
+    def __len__(self):
+        return len(self._profiles)
+
     @property
     def name(self):
         return self._reach.name
@@ -91,6 +97,9 @@ class River(object):
         # Dict with timestamps as key
         self._reachs = []
 
+    def __len__(self):
+        return len(self._reachs)
+
     @property
     def reachs(self):
         return self._reachs.copy()