feat: implement SMTP server with authentication, port validation, and email storage

6 files changed, 80 insertions, 0 deletions

diff --git a/models/alias.go b/models/alias.go
new file mode 100644
index 0000000..5b0dcb3
--- /dev/null
+++ b/models/alias.go
@@ -0,0 +1,10 @@
+package models
+
+import "gorm.io/gorm"
+
+type Alias struct {
+	gorm.Model
+	SourceAddress string  `gorm:"uniqueIndex;not null" json:"source_address"`
+	MailboxID     uint    `gorm:"not null" json:"mailbox_id"`
+	Mailbox       Mailbox `gorm:"foreignKey:MailboxID" json:"mailbox"`
+}
diff --git a/models/attachment.go b/models/attachment.go
new file mode 100644
index 0000000..cd1a741
--- /dev/null
+++ b/models/attachment.go
@@ -0,0 +1,14 @@
+package models
+
+import "gorm.io/gorm"
+
+type Attachment struct {
+	gorm.Model
+	EmailID     uint   `gorm:"not null;index" json:"email_id"`
+	Email       Email  `gorm:"foreignKey:EmailID" json:"email"`
+	Filename    string `gorm:"not null" json:"filename"`
+	ContentType string `gorm:"not null" json:"content_type"`
+	ContentID   string `json:"content_id"`
+	Size        int64  `json:"size"`
+	IsInline    bool   `gorm:"default:false" json:"is_inline"`
+}
diff --git a/models/email.go b/models/email.go
new file mode 100644
index 0000000..12b3ad1
--- /dev/null
+++ b/models/email.go
@@ -0,0 +1,25 @@
+package models
+
+import "gorm.io/gorm"
+
+type Email struct {
+	gorm.Model
+	MailboxID       uint       `gorm:"not null;index" json:"mailbox_id"`
+	Mailbox         Mailbox    `gorm:"foreignKey:MailboxID" json:"mailbox"`
+	MessageID       string     `gorm:"index" json:"message_id"`
+	Filename        string     `gorm:"uniqueIndex;not null" json:"filename"`
+	FromAddress     string     `gorm:"not null" json:"from_address"`
+	FromName        string     `json:"from_name"`
+	ToAddresses     string     `gorm:"not null" json:"to_addresses"`
+	CcAddresses     string     `json:"cc_addresses"`
+	BccAddresses    string     `json:"bcc_addresses"`
+	ReplyToAddress  string     `json:"reply_to_address"`
+	ReturnPath      string     `json:"return_path"`
+	Subject         string     `json:"subject"`
+	Snippet         string     `json:"snippet"`
+	Size            int64      `json:"size"`
+	IsRead          bool       `gorm:"default:false;index" json:"is_read"`
+	AttachmentCount int        `gorm:"default:0" json:"attachment_count"`
+	InlineCount     int        `gorm:"default:0" json:"inline_count"`
+	Tags            []Tag      `gorm:"many2many:email_tags" json:"tags"`
+}
diff --git a/models/mailbox.go b/models/mailbox.go
new file mode 100644
index 0000000..da4114f
--- /dev/null
+++ b/models/mailbox.go
@@ -0,0 +1,12 @@
+package models
+
+import "gorm.io/gorm"
+
+type Mailbox struct {
+	gorm.Model
+	Address string  `gorm:"uniqueIndex;not null" json:"address"`
+	UserID  uint    `gorm:"not null" json:"user_id"`
+	User    User    `gorm:"foreignKey:UserID" json:"user"`
+	Aliases []Alias `gorm:"foreignKey:MailboxID" json:"aliases"`
+	Emails  []Email `gorm:"foreignKey:MailboxID" json:"emails"`
+}
diff --git a/models/tag.go b/models/tag.go
new file mode 100644
index 0000000..79fa65f
--- /dev/null
+++ b/models/tag.go
@@ -0,0 +1,9 @@
+package models
+
+import "gorm.io/gorm"
+
+type Tag struct {
+	gorm.Model
+	Name   string  `gorm:"uniqueIndex;not null" json:"name"`
+	Emails []Email `gorm:"many2many:email_tags" json:"emails"`
+}
diff --git a/models/user.go b/models/user.go
new file mode 100644
index 0000000..6bb6edf
--- /dev/null
+++ b/models/user.go
@@ -0,0 +1,10 @@
+package models
+
+import "gorm.io/gorm"
+
+type User struct {
+	gorm.Model
+	Username    string    `gorm:"uniqueIndex;not null" json:"username"`
+	DisplayName string    `json:"display_name"`
+	Mailboxes   []Mailbox `gorm:"foreignKey:UserID" json:"mailboxes"`
+}