Initial commit.

internal/domain/models/commit.go

@@ -0,0 +1,43 @@
+package models
+
+import "time"
+
+// Commit represents a Git commit
+type Commit struct {
+	SHA          string    `json:"sha"`
+	Message      string    `json:"message"`
+	Author       Author    `json:"author"`
+	Committer    Author    `json:"committer"`
+	Date         time.Time `json:"date"`
+	Additions    int       `json:"additions"`
+	Deletions    int       `json:"deletions"`
+	FilesChanged int       `json:"files_changed"`
+	Repository   string    `json:"repository"` // owner/repo format
+	URL          string    `json:"url"`
+
+	// Derived fields
+	HasTests bool `json:"has_tests"`
+}
+
+// TotalChanges returns the total lines changed (additions + deletions)
+func (c *Commit) TotalChanges() int {
+	return c.Additions + c.Deletions
+}
+
+// ShortSHA returns the first 7 characters of the SHA
+func (c *Commit) ShortSHA() string {
+	if len(c.SHA) >= 7 {
+		return c.SHA[:7]
+	}
+	return c.SHA
+}
+
+// ShortMessage returns the first line of the commit message
+func (c *Commit) ShortMessage() string {
+	for i, r := range c.Message {
+		if r == '\n' {
+			return c.Message[:i]
+		}
+	}
+	return c.Message
+}