Add table construction, adding commits, and commit checking queries. Modify Commit model properties & table.

database.py

@@ -6,6 +6,8 @@ import logging
 import sqlite3
 from typing import Optional
 
+from models import Commit
+
 logger = logging.getLogger(__name__)
 
 
@@ -19,6 +21,19 @@ class Database:
         self.__is_closed: bool = True  # Becomes false after this statement.
         self.conn: Optional[sqlite3.Connection] = None
         self.open()
+        self.construct()
+
+    def construct(self) -> None:
+        """Automatically initializes the database with the required table(s)."""
+
+        cur = self.conn.cursor()
+        cur.execute("""CREATE TABLE IF NOT EXISTS commits (
+                            Id text primary key not null,
+                            Source text not null,
+                            CommitTimestamp text not null,
+                            SeenTimestamp text not null,
+                            Iteration integer not null,
+                            ProjectId integer not null);""")
 
     def open(self) -> None:
         """Opens a connection to the database file."""
@@ -37,6 +52,22 @@ class Database:
             self.conn = None
             self.__is_closed = True
 
-    def check_exists(self, id: str) -> bool:
+    def add_commit(self, commit: Commit) -> None:
+        """Inserts a commit into the database"""
+
+        cur = self.conn.cursor()
+        cur.execute("""INSERT INTO commits (Id, Source, ProjectId, Iteration, CommitTimestamp, SeenTimestamp) VALUES (?, ?, ?, ?, ?, ?)""",
+                    (commit.id, commit.source, commit.project_id, commit.iteration,
+                     commit.timestamp.isoformat(), commit.seen_timestamp.isoformat()))
+
+    def check_exists(self, id: str, source: Optional[str] = None) -> bool:
         """Returns true if the commit in question exists."""
+
+        cur = self.conn.cursor()
+
+        if source is None:
+            results = list(cur.execute("""SELECT Id FROM commits WHERE Id = ? LIMIT 1;""", (id,)))
+        else:
+            results = list(cur.execute("""SELECT Id FROM commits WHERE Id = ? AND Source = ?""", (id, source)))
+        if len(results) == 1: return True
         return False

models.py

@@ -5,13 +5,12 @@ from datetime import datetime
 @dataclass
 class Commit:
     """Describes a specific commit event in time."""
-
-    # A unique identifier for this commit. Not necessarily the commit hash.
-    id: int
-    # A name, description etc. for this commit. Not required to be based on the original comit message.
-    name: str
-    # A timestamp
+    id: str
+    project_id: int
+    source: str
+    iteration: int
     timestamp: datetime
+    seen_timestamp: datetime
 
     def __str__(self) -> str:
         return '{name}({params})'.format(