add middlewares, handlers and database models

internal/model/file.go

@@ -0,0 +1,23 @@
+package model
+
+import (
+	"time"
+)
+
+const (
+	FileTypeAvatar = "avatar"
+)
+
+type File struct {
+	ID           string    `db:"id"`
+	UserID       string    `db:"user_id"`    // Who owns/created this file
+	OwnerType    string    `db:"owner_type"` // "user", "profile", etc. - the entity that owns the file
+	OwnerID      string    `db:"owner_id"`   // Polymorphic FK
+	Type         string    `db:"type"`
+	Filename     string    `db:"filename"`
+	OriginalName string    `db:"original_name"`
+	MimeType     string    `db:"mime_type"`
+	Size         int64     `db:"size"`
+	StoragePath  string    `db:"storage_path"`
+	CreatedAt    time.Time `db:"created_at"`
+}

internal/model/profile.go

@@ -0,0 +1,11 @@
+package model
+
+import "time"
+
+type Profile struct {
+	ID        string    `db:"id"`
+	UserID    string    `db:"user_id"`
+	Name      string    `db:"name"`
+	CreatedAt time.Time `db:"created_at"`
+	UpdatedAt time.Time `db:"updated_at"`
+}

internal/model/token.go

@@ -0,0 +1,34 @@
+package model
+
+import (
+	"time"
+)
+
+type Token struct {
+	ID        string     `db:"id"`
+	UserID    string     `db:"user_id"`
+	Type      string     `db:"type"` // "email_verify" or "password_reset"
+	Token     string     `db:"token"`
+	ExpiresAt time.Time  `db:"expires_at"`
+	UsedAt    *time.Time `db:"used_at"`
+	CreatedAt time.Time  `db:"created_at"`
+}
+
+const (
+	TokenTypeEmailVerify   = "email_verify"
+	TokenTypePasswordReset = "password_reset"
+	TokenTypeEmailChange   = "email_change"
+	TokenTypeMagicLink     = "magic_link"
+)
+
+func (t *Token) IsExpired() bool {
+	return time.Now().After(t.ExpiresAt)
+}
+
+func (t *Token) IsUsed() bool {
+	return t.UsedAt != nil
+}
+
+func (t *Token) IsValid() bool {
+	return !t.IsExpired() && !t.IsUsed()
+}