made SQL queries

backend/duckpond/db.py

@@ -5,4 +5,39 @@ class DB:
 
     def __init__(self, filename: str):
         self.conn = sqlite3.connect(filename)
-        
+
+    def _setup(self, filename: str):
+        cursor = self.conn.cursor()
+
+        cursor.execute('''
+          CREATE TABLE IF NOT EXISTS entries
+          ([ID] INTEGER PRIMARY KEY, [title] TEXT, [latitude] FLOAT, [longitude] FLOAT, [votes] INTEGER, [image_url], STRING)
+          ''')
+
+        cursor.commit()
+
+    def getEntries(self):
+        cursor = self.conn.cursor()
+        cursor.execute('SELECT * FROM entries')
+
+        myresult = cursor.fetchall()
+
+        for x in myresult:
+            print(x)
+
+    def addEntry(self, title, latitude, longitude, votes, image_url):
+        insertArray = [title, latitude, longitude, votes, image_url]
+        cursor = self.conn.cursor()
+        cursor.execute('INSERT INTO entries (title, latitude, longitude, votes, image_url) VALUES (?, ?, ?, ?, ?);', insertArray)
+        cursor.commit()
+
+    def deleteEntry(self, ID):
+        cursor = self.conn.cursor()
+        cursor.execute('DELETE FROM entries WHERE ID = ?', ID)
+        cursor.commit()
+
+    def updateEntry(self, ID, title, latitude, longitude, votes, image_url):
+        updateArray = [ID, title, latitude, longitude, votes, image_url]
+        cursor = self.conn.cursor()
+        cursor.execute('UPDATE entries SET title = ?, latitude = ?, longitude = ?, votes = ?, image_url = ?;', updateArray)
+        cursor.commit()