Model, Geometry: Save and load geometry into SQLite.

src/Model/Geometry/PointXYZ.py

@@ -21,7 +21,8 @@ class PointXYZ(Point, SQLSubModel):
     def _sql_create(cls, execute):
         execute("""
           CREATE TABLE geometry_pointXYZ(
-            id INTEGER NOT NULL PRIMARY KEY,
+            id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+            ind INTEGER NOT NULL,
             name TEXT,
             x INTEGER NOT NULL,
             y INTEGER NOT NULL,
@@ -41,9 +42,54 @@ class PointXYZ(Point, SQLSubModel):
 
     @classmethod
     def _sql_load(cls, execute, data = None):
-        return None
+        points = []
+
+        status = data["status"]
+        profile = data["profile"]
+
+        table = execute(
+            "SELECT ind, name, x, y, z " +
+            "FROM geometry_pointXYZ " +
+            f"WHERE profile = {profile}"
+        )
+
+        # Create points list
+        for _ in table:
+            points.append(None)
+
+        # Fill points list with new point
+        for row in table:
+            ind = row[0]
+            name = row[1]
+            x = row[2]
+            y = row[3]
+            z = row[4]
+
+            new = cls(
+                name = name,
+                x = x, y = y, z = z,
+                status = status
+            )
+
+            points[ind] = new
+
+        return points
 
     def _sql_save(self, execute, data = None):
+        profile = data["profile"]
+        ind = data["ind"]
+
+        sql = (
+            "INSERT OR REPLACE INTO " +
+            "geometry_pointXYZ(ind, name, x, y, z, profile) "+
+            "VALUES (" +
+            f"{ind}, '{self._sql_format(self._name)}', " +
+            f"{self.x}, {self.y}, {self.z}, " +
+            f"{profile}" +
+            ")"
+        )
+        execute(sql)
+
         return True