Add models and data structures

src/models/data_structures.py

@@ -22,31 +22,24 @@ class Commit:
     """Represents a git commit."""
     sha: str
     message: str
-    author_name: str
+    author: str
     author_email: str
-    committed_datetime: datetime
-    author_datetime: datetime
-    parents: List[str] = field(default_factory=list)
-    additions: int = 0
-    deletions: int = 0
+    timestamp: datetime
+    lines_added: int = 0
+    lines_deleted: int = 0
     files_changed: List[str] = field(default_factory=list)
-    file_changes: List["FileChange"] = field(default_factory=list)
     is_merge: bool = False
     is_revert: bool = False
 
-    @property
-    def timestamp(self) -> datetime:
-        return self.committed_datetime
-
 
 @dataclass_json
 @dataclass
 class FileChange:
     """Represents changes to a file in a commit."""
     filepath: str
-    additions: int
-    deletions: int
-    changes: int = 0
+    lines_added: int
+    lines_deleted: int
+    change_type: str
 
 
 @dataclass_json
@@ -97,15 +90,3 @@ class VelocityAnalysis:
     top_contributors: List[Author]
     most_active_day: str
     most_active_hour: str
-
-
-@dataclass_json
-@dataclass
-class ProductivityReport:
-    """Comprehensive productivity report."""
-    repository_path: str
-    analysis_days: int
-    commit_analysis: Optional[CommitAnalysis]
-    code_churn_analysis: Optional[CodeChurnAnalysis]
-    risky_commit_analysis: Optional[RiskyCommitAnalysis]
-    velocity_analysis: Optional[VelocityAnalysis]