Merge branch '13-database-upgrade-new-table-for-length-and-weight' into 'master'

Resolve "database upgrade, new table for length and weight"

Closes #13

See merge request !16

api/models/dbmodels.py

@@ -15,7 +15,6 @@ class Salamander(db.Model):
     id = db.Column(db.Integer, primary_key=True, autoincrement=True)
     sex = db.Column(db.String(255), nullable=False)
     species = db.Column(db.String(255), nullable=False)
-    location = db.Column(db.String(255), nullable=False)
     location_id = db.Column(db.Integer, db.ForeignKey('location.id'), nullable=False)
     image_path = db.Column(db.String(255), nullable=False)
     uid = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
@@ -27,3 +26,11 @@ class Location(db.Model):
     name = db.Column(db.String(255), nullable=False)
     coordinates = db.Column(db.String(255), nullable=False)
     radius = db.Column(db.Integer, nullable=False)
+
+
+class SalamanderGrowth(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    salamander_id = db.column(db.Integer, db.ForeignKey('salamander.id'))
+    date = db.Column(db.DateTime, default=datetime.now)
+    weight = db.Column(db.Float, nullable=False)
+    length = db.Column(db.Float, nullable=False)