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package handlers
import (
"fmt"
"net/http"
"github.com/gin-gonic/gin"
"github.com/seaweedfs/seaweedfs/weed/admin/dash"
"github.com/seaweedfs/seaweedfs/weed/admin/view/app"
"github.com/seaweedfs/seaweedfs/weed/admin/view/layout"
)
// MessageQueueHandlers contains all the HTTP handlers for message queue management
type MessageQueueHandlers struct {
adminServer *dash.AdminServer
}
// NewMessageQueueHandlers creates a new instance of MessageQueueHandlers
func NewMessageQueueHandlers(adminServer *dash.AdminServer) *MessageQueueHandlers {
return &MessageQueueHandlers{
adminServer: adminServer,
}
}
// ShowBrokers renders the message queue brokers page
func (h *MessageQueueHandlers) ShowBrokers(c *gin.Context) {
// Get cluster brokers data
brokersData, err := h.adminServer.GetClusterBrokers()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get cluster brokers: " + err.Error()})
return
}
// Set username
username := c.GetString("username")
if username == "" {
username = "admin"
}
brokersData.Username = username
// Render HTML template
c.Header("Content-Type", "text/html")
brokersComponent := app.ClusterBrokers(*brokersData)
layoutComponent := layout.Layout(c, brokersComponent)
err = layoutComponent.Render(c.Request.Context(), c.Writer)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to render template: " + err.Error()})
return
}
}
// ShowTopics renders the message queue topics page
func (h *MessageQueueHandlers) ShowTopics(c *gin.Context) {
// Get topics data
topicsData, err := h.adminServer.GetTopics()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get topics: " + err.Error()})
return
}
// Set username
username := c.GetString("username")
if username == "" {
username = "admin"
}
topicsData.Username = username
// Render HTML template
c.Header("Content-Type", "text/html")
topicsComponent := app.Topics(*topicsData)
layoutComponent := layout.Layout(c, topicsComponent)
err = layoutComponent.Render(c.Request.Context(), c.Writer)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to render template: " + err.Error()})
return
}
}
// ShowSubscribers renders the message queue subscribers page
func (h *MessageQueueHandlers) ShowSubscribers(c *gin.Context) {
// Get subscribers data
subscribersData, err := h.adminServer.GetSubscribers()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get subscribers: " + err.Error()})
return
}
// Set username
username := c.GetString("username")
if username == "" {
username = "admin"
}
subscribersData.Username = username
// Render HTML template
c.Header("Content-Type", "text/html")
subscribersComponent := app.Subscribers(*subscribersData)
layoutComponent := layout.Layout(c, subscribersComponent)
err = layoutComponent.Render(c.Request.Context(), c.Writer)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to render template: " + err.Error()})
return
}
}
// ShowTopicDetails renders the topic details page
func (h *MessageQueueHandlers) ShowTopicDetails(c *gin.Context) {
// Get topic parameters from URL
namespace := c.Param("namespace")
topicName := c.Param("topic")
if namespace == "" || topicName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Missing namespace or topic name"})
return
}
// Get topic details data
topicDetailsData, err := h.adminServer.GetTopicDetails(namespace, topicName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get topic details: " + err.Error()})
return
}
// Set username
username := c.GetString("username")
if username == "" {
username = "admin"
}
topicDetailsData.Username = username
// Render HTML template
c.Header("Content-Type", "text/html")
topicDetailsComponent := app.TopicDetails(*topicDetailsData)
layoutComponent := layout.Layout(c, topicDetailsComponent)
err = layoutComponent.Render(c.Request.Context(), c.Writer)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to render template: " + err.Error()})
return
}
}
// GetTopicDetailsAPI returns topic details as JSON for AJAX calls
func (h *MessageQueueHandlers) GetTopicDetailsAPI(c *gin.Context) {
// Get topic parameters from URL
namespace := c.Param("namespace")
topicName := c.Param("topic")
if namespace == "" || topicName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Missing namespace or topic name"})
return
}
// Get topic details data
topicDetailsData, err := h.adminServer.GetTopicDetails(namespace, topicName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get topic details: " + err.Error()})
return
}
// Return JSON data
c.JSON(http.StatusOK, topicDetailsData)
}
// CreateTopicAPI creates a new topic with retention configuration
func (h *MessageQueueHandlers) CreateTopicAPI(c *gin.Context) {
var req struct {
Namespace string `json:"namespace" binding:"required"`
Name string `json:"name" binding:"required"`
PartitionCount int32 `json:"partition_count" binding:"required"`
Retention struct {
Enabled bool `json:"enabled"`
RetentionSeconds int64 `json:"retention_seconds"`
} `json:"retention"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Validate inputs
if req.PartitionCount < 1 || req.PartitionCount > 100 {
c.JSON(http.StatusBadRequest, gin.H{"error": "Partition count must be between 1 and 100"})
return
}
if req.Retention.Enabled && req.Retention.RetentionSeconds <= 0 {
c.JSON(http.StatusBadRequest, gin.H{"error": "Retention seconds must be positive when retention is enabled"})
return
}
// Create the topic via admin server
err := h.adminServer.CreateTopicWithRetention(req.Namespace, req.Name, req.PartitionCount, req.Retention.Enabled, req.Retention.RetentionSeconds)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create topic: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"message": "Topic created successfully",
"topic": fmt.Sprintf("%s.%s", req.Namespace, req.Name),
})
}
type UpdateTopicRetentionRequest struct {
Namespace string `json:"namespace"`
Name string `json:"name"`
Retention struct {
Enabled bool `json:"enabled"`
RetentionSeconds int64 `json:"retention_seconds"`
} `json:"retention"`
}
func (h *MessageQueueHandlers) UpdateTopicRetentionAPI(c *gin.Context) {
var request UpdateTopicRetentionRequest
if err := c.ShouldBindJSON(&request); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// Validate required fields
if request.Namespace == "" || request.Name == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "namespace and name are required"})
return
}
// Update the topic retention
err := h.adminServer.UpdateTopicRetention(request.Namespace, request.Name, request.Retention.Enabled, request.Retention.RetentionSeconds)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"message": "Topic retention updated successfully",
"topic": request.Namespace + "." + request.Name,
})
}
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