feat: Update development guidelines and plan for ATSFlare V2

- Revised development guidelines to include new features for V2, such as Agent management and automatic discovery.
- Expanded the data model to support agent tokens and discovery tokens.
- Updated the development plan to reflect changes in Agent management, including CRUD operations and token replacement.
- Enhanced the requirements for the second phase of development, focusing on security improvements and user experience.

atsf_server/model/node.go

@@ -1,29 +1,61 @@
-package model
-
-import "time"
-
-type Node struct {
-	ID             uint      `json:"id" gorm:"primaryKey"`
-	NodeID         string    `json:"node_id" gorm:"uniqueIndex;size:64;not null"`
-	Name           string    `json:"name" gorm:"size:128;not null"`
-	IP             string    `json:"ip" gorm:"size:64;not null"`
-	AgentVersion   string    `json:"agent_version" gorm:"size:64;not null"`
-	NginxVersion   string    `json:"nginx_version" gorm:"size:64"`
-	Status         string    `json:"status" gorm:"size:16;not null;default:'offline'"`
-	CurrentVersion string    `json:"current_version" gorm:"size:32"`
-	LastSeenAt     time.Time `json:"last_seen_at"`
-	LastError      string    `json:"last_error" gorm:"size:1024"`
-	CreatedAt      time.Time `json:"created_at"`
-	UpdatedAt      time.Time `json:"updated_at"`
-}
-
-func ListNodes() (nodes []*Node, err error) {
-	err = DB.Order("id desc").Find(&nodes).Error
-	return nodes, err
-}
-
-func GetNodeByNodeID(nodeID string) (*Node, error) {
-	node := &Node{}
-	err := DB.Where("node_id = ?", nodeID).First(node).Error
-	return node, err
-}
+package model
+
+import "time"
+
+type Node struct {
+	ID             uint      `json:"id" gorm:"primaryKey"`
+	NodeID         string    `json:"node_id" gorm:"uniqueIndex;size:64;not null"`
+	Name           string    `json:"name" gorm:"size:128;not null"`
+	IP             string    `json:"ip" gorm:"size:64;not null"`
+	AgentToken     string    `json:"-" gorm:"size:128;uniqueIndex"`
+	DiscoveryToken string    `json:"-" gorm:"size:128;uniqueIndex"`
+	AgentVersion   string    `json:"agent_version" gorm:"size:64;not null"`
+	NginxVersion   string    `json:"nginx_version" gorm:"size:64"`
+	Status         string    `json:"status" gorm:"size:16;not null;default:'offline'"`
+	CurrentVersion string    `json:"current_version" gorm:"size:32"`
+	LastSeenAt     time.Time `json:"last_seen_at"`
+	LastError      string    `json:"last_error" gorm:"size:1024"`
+	CreatedAt      time.Time `json:"created_at"`
+	UpdatedAt      time.Time `json:"updated_at"`
+}
+
+func ListNodes() (nodes []*Node, err error) {
+	err = DB.Order("id desc").Find(&nodes).Error
+	return nodes, err
+}
+
+func GetNodeByNodeID(nodeID string) (*Node, error) {
+	node := &Node{}
+	err := DB.Where("node_id = ?", nodeID).First(node).Error
+	return node, err
+}
+
+func GetNodeByID(id uint) (*Node, error) {
+	node := &Node{}
+	err := DB.First(node, id).Error
+	return node, err
+}
+
+func GetNodeByAgentToken(token string) (*Node, error) {
+	node := &Node{}
+	err := DB.Where("agent_token = ?", token).First(node).Error
+	return node, err
+}
+
+func GetNodeByDiscoveryToken(token string) (*Node, error) {
+	node := &Node{}
+	err := DB.Where("discovery_token = ?", token).First(node).Error
+	return node, err
+}
+
+func (node *Node) Insert() error {
+	return DB.Create(node).Error
+}
+
+func (node *Node) Update() error {
+	return DB.Save(node).Error
+}
+
+func (node *Node) Delete() error {
+	return DB.Delete(node).Error
+}