feat: add locally syncing and watchdog

internal/database/define.go

@@ -2,49 +2,75 @@ package database
 
 import (
 	"time"
-
-	"gorm.io/datatypes"
 )
 
 type MediaType string
 
 const (
-	Unspecified  MediaType = "unspecified"
 	Video        MediaType = "video"
 	Presentation MediaType = "presentation"
 	Internet     MediaType = "internet"
+	Unspecified  MediaType = "unspecified"
 )
 
+type Timestamps struct {
+	CreatedAt time.Time `gorm:"not null;"`
+	UpdatedAt time.Time `gorm:"not null;"`
+	ExpiresAt time.Time
+}
+
 type State struct {
-	ID int `gorm:"primaryKey"`
+	ID int `gorm:"primaryKey;not null;"`
 	// unspecified
 	// video
 	// presentation
 	// internet URL
 	MediaType MediaType `gorm:"type:varchar(20);not null"` // Must specify what kind of file it is
-	Targets   datatypes.JSON
-	Location  string // Must be the location where the file is downloadable on the API
-	UpdatedAt time.Time
+	// Must be target list who are compelled to listen to the command
+	// can be none when there is no targets specified (init stage)
+	Targets []string `gorm:"type:json"`
+	// Must be the location where the file is downloadable on the API
+	// can be none when there is no media specified (init stage)
+	Location string
+	Timestamps
+}
+
+type Key struct {
+	ID       int `gorm:"primaryKey;not null;"`
+	MetaName string
+	KeyName  string `gorm:"not null;"`
+	// We don't store the key itself, we hash the key
+	KeyHash string `gorm:"not null;"`
+	// we're cooking without pepper
+	KeySalt   string    `gorm:"not null;"`
+	CreatedAt time.Time `gorm:"not null;"`
+	Timestamps
 }
 
 type Device struct {
-	ID            int `gorm:"primaryKey"`
+	ID int `gorm:"primaryKey;not null;"`
+	// Device type is meant as a field where can be specified what type of device this is
+	// eg Raspberry Pi, PC, things like that
 	DeviceType    string
-	Hostname      string
-	RemoteAddress string
-	Alive         bool
-	Compliant     bool
-	CreatedAt     time.Time
-	UpdatedAt     time.Time
+	Hostname      string `gorm:"not null;"`
+	RemoteAddress string `gorm:"not null;"`
+	Alive         bool   `gorm:"not null;"`
+	Compliant     bool   `gorm:"not null;"`
+	Timestamps
 }
 
 type File struct {
-	ID        int       `gorm:"primaryKey"`
+	ID int `gorm:"primaryKey;not null;"`
+	// unspecified
+	// video
+	// presentation
+	// internet URL
 	MediaType MediaType `gorm:"type:varchar(20);not null;"`
-	MetaName  string
-	FileName  string
-	FilePath  string
-	Checksum  string `gorm:"uniqueIndex"` // hex encoded sha512 checksum
-	CreatedAt time.Time
-	UpdatedAt time.Time
+	// the name given by the user
+	MetaName string
+	FileName string `gorm:"not null;"`
+	FilePath string `gorm:"not null;"`
+	// hex encoded sha512 checksum
+	Checksum string `gorm:"uniqueIndex;not null;"`
+	Timestamps
 }