first set of files

internal/database/models.go

@@ -0,0 +1,74 @@
+// internal/database/models.go
+package database
+
+import (
+    "database/sql"
+    "time"
+)
+
+type Activity struct {
+    ID            int       `json:"id"`
+    ActivityID    int       `json:"activity_id"`
+    StartTime     time.Time `json:"start_time"`
+    ActivityType  string    `json:"activity_type"`
+    Duration      int       `json:"duration"`          // seconds
+    Distance      float64   `json:"distance"`          // meters
+    MaxHeartRate  int       `json:"max_heart_rate"`
+    AvgHeartRate  int       `json:"avg_heart_rate"`
+    AvgPower      float64   `json:"avg_power"`
+    Calories      int       `json:"calories"`
+    Filename      string    `json:"filename"`
+    FileType      string    `json:"file_type"`
+    FileSize      int64     `json:"file_size"`
+    Downloaded    bool      `json:"downloaded"`
+    CreatedAt     time.Time `json:"created_at"`
+    LastSync      time.Time `json:"last_sync"`
+}
+
+type Stats struct {
+    Total      int `json:"total"`
+    Downloaded int `json:"downloaded"`
+    Missing    int `json:"missing"`
+}
+
+type DaemonConfig struct {
+    ID           int    `json:"id"`
+    Enabled      bool   `json:"enabled"`
+    ScheduleCron string `json:"schedule_cron"`
+    LastRun      string `json:"last_run"`
+    Status       string `json:"status"`
+}
+
+// Database interface
+type Database interface {
+    // Activities
+    GetActivities(limit, offset int) ([]Activity, error)
+    GetActivity(activityID int) (*Activity, error)
+    CreateActivity(activity *Activity) error
+    UpdateActivity(activity *Activity) error
+    DeleteActivity(activityID int) error
+    
+    // Stats
+    GetStats() (*Stats, error)
+    
+    // Search and filter
+    FilterActivities(filters ActivityFilters) ([]Activity, error)
+    
+    // Close connection
+    Close() error
+}
+
+type ActivityFilters struct {
+    ActivityType string
+    DateFrom     *time.Time
+    DateTo       *time.Time
+    MinDistance  float64
+    MaxDistance  float64
+    MinDuration  int
+    MaxDuration  int
+    Downloaded   *bool
+    Limit        int
+    Offset       int
+    SortBy       string
+    SortOrder    string
+}