add repr to class models and exploring relationships

python_files/db_population.py

@@ -0,0 +1,97 @@
+from sqlalchemy import create_engine, MetaData, Table, select, insert, func, update, bindparam, delete
+import os
+import csv
+from datetime import datetime, timedelta
+from dateutil.parser import parse
+import time
+import json
+from werkzeug.security import generate_password_hash
+
+
+
+def insert_users():
+    engine = create_engine('sqlite:///C:/Users/Lenovo/Desktop/Pilzno/instance/site.db')
+    metadata_obj = MetaData()
+    metadata_obj.reflect(bind=engine)
+    user_table = Table("user", metadata_obj, autoload_with=engine)
+    
+    with engine.connect() as conn:
+        conn.execute(user_table.insert().values(
+            first_name = "Yisroel",
+            last_name = "Baum",
+            email = "yisroel.d.baum@gmail.com",
+            password = generate_password_hash('12'),
+            user_type = "User"
+        ))
+        conn.execute(user_table.insert().values(
+            first_name = "Yoni",
+            last_name = "Gerzi",
+            email = "yoni@gerzi.com",
+            password = generate_password_hash('12'),
+            user_type = "User"
+        ))
+        conn.commit()
+
+def insert_donations():
+    engine = create_engine('sqlite:///C:/Users/Lenovo/Desktop/Pilzno/instance/site.db')
+    metadata_obj = MetaData()
+    metadata_obj.reflect(bind=engine)
+    user_table = Table("user", metadata_obj, autoload_with=engine)
+    donation_table = Table("donation", metadata_obj, autoload_with=engine)
+    campaign_table = Table("campaign", metadata_obj, autoload_with=engine)
+
+    with engine.connect() as conn:
+        sruli = conn.execute(select(user_table).where(user_table.c.id == 1)).first()
+        yoni = conn.execute(select(user_table).where(user_table.c.id == 2)).first()
+
+        campaign_one = conn.execute(select(campaign_table).where(campaign_table.c.id == 2)).first()
+
+        conn.execute(donation_table.insert().values(
+            currency_type = "shekel",
+            amount = 50,
+            campaign_id=campaign_one.id,
+            user_id=sruli.id
+        ))
+        conn.commit()
+
+def insert_campaigns():
+    engine = create_engine('sqlite:///C:/Users/Lenovo/Desktop/Pilzno/instance/site.db')
+    metadata_obj = MetaData()
+    metadata_obj.reflect(bind=engine)
+    campaign_table = Table("campaign", metadata_obj, autoload_with=engine)
+
+    with engine.connect() as conn:
+        conn.execute(campaign_table.insert().values(title="general campaign"))
+        conn.execute(campaign_table.insert().values(title="special campaign"))
+        conn.commit()
+
+def test_selections():
+    engine = create_engine('sqlite:///C:/Users/Lenovo/Desktop/Pilzno/instance/site.db')
+    metadata_obj = MetaData()
+    metadata_obj.reflect(bind=engine)
+    user_table = Table("user", metadata_obj, autoload_with=engine)
+    donation_table = Table("donation", metadata_obj, autoload_with=engine)
+    campaign_table = Table("campaign", metadata_obj, autoload_with=engine)
+
+    with engine.connect() as conn:
+        campaign_one = conn.execute(select(campaign_table).where(campaign_table.c.id==1)).first()
+        donation_one = conn.execute(select(donation_table).where(donation_table.c.id==1)).first()
+        user_one = conn.execute(select(user_table).where(user_table.c.id==1)).first()
+        print(user_one.donations)
+
+def delete_all():
+    engine = create_engine('sqlite:///C:/Users/Lenovo/Desktop/Pilzno/instance/site.db')
+    metadata_obj = MetaData()
+    metadata_obj.reflect(bind=engine)
+    user_table = Table("user", metadata_obj, autoload_with=engine)
+    donation_table = Table("donation", metadata_obj, autoload_with=engine)
+    campaign_table = Table("campaign", metadata_obj, autoload_with=engine)
+
+    with engine.connect() as conn:
+        conn.execute(delete(user_table))
+        conn.execute(delete(campaign_table))
+        conn.execute(delete(donation_table))
+        conn.commit()
+
+if __name__ == '__main__':
+    test_selections()