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api_v1.go
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api_v1.go
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package main
import (
"context"
"errors"
"fmt"
"strconv"
"time"
"github.com/gin-gonic/gin"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
const DEFAULT_DOC_ID_NAME = "id"
func v1_project(c *gin.Context) {
identifier := c.Param("identifier")
if !is_safe_sting(identifier) {
c.JSON(400, gin.H{"error": "Invalid identifier"})
return
}
project := GetProject(identifier)
if project == nil {
c.JSON(404, gin.H{
"error": fmt.Sprintf("Project %s not found", identifier),
})
return
}
c.JSON(200, project)
}
func v1_projects(c *gin.Context) {
projects := GetProjects()
pub_projects := []Project{}
show_private := c.Query("show_private")
if show_private != "" {
c.JSON(200, projects)
return
}
for _, project := range projects {
if project.Status.Public {
pub_projects = append(pub_projects, project)
}
}
c.JSON(200, pub_projects)
}
func ClaimTask(queue *mongo.Collection, from_status string, archivist string) *primitive.M {
filter := bson.M{"status": from_status}
update := bson.M{
"$set": bson.M{
"status": "PROCESSING",
"archivist": archivist,
"claimed_at": primitive.NewDateTimeFromTime(time.Now().UTC()),
"updated_at": primitive.NewDateTimeFromTime(time.Now().UTC()),
}}
var task primitive.M
opts := options.FindOneAndUpdate().SetReturnDocument(options.After)
err := queue.FindOneAndUpdate(context.TODO(), filter, update, opts).Decode(&task)
if err != nil {
if err == mongo.ErrNoDocuments {
return nil
}
panic(err)
}
return &task
}
func v1_claim_task(c *gin.Context) {
identifier := c.Param("identifier")
client_version := c.Param("client_version")
archivist := c.Param("archivist")
if is_safe_sting(identifier) && is_safe_sting(archivist) {
// OK
} else {
c.JSON(400, gin.H{"error": "Invalid identifier or archivist"})
return
}
project := GetProject(identifier)
if project == nil {
c.JSON(404, gin.H{
"error": fmt.Sprintf("Project %s not found", identifier),
})
return
}
// 暂停后不再接受新的 claim_task 请求。
if project.Status.Paused {
c.JSON(400, gin.H{
"error": "Project paused",
})
return
}
if client_version != project.Client.Version {
c.JSON(400, gin.H{
"error": "Client version not supported",
"msg": fmt.Sprintf("Please update to version %s", project.Client.Version),
})
return
}
db := mongoClient.Database(project.Mongodb.DbName)
queue := db.Collection(project.Mongodb.QueueCollection)
task := ClaimTask(queue, "TODO", archivist)
if task == nil {
c.JSON(404, gin.H{
"error": "No task available",
})
return
}
c.JSON(200, task)
}
func v1_update_task(c *gin.Context) {
identifier := c.Param("identifier")
client_version := c.Param("client_version")
archivist := c.Param("archivist")
task_id_str := c.Param("task_id")
status := c.PostForm("status")
task_id_type := c.PostForm("task_id_type")
if is_safe_sting(identifier) && is_safe_sting(archivist) {
// OK
} else {
c.JSON(400, gin.H{"error": "Invalid parameter or query string"})
return
}
project := GetProject(identifier)
if project == nil {
c.JSON(404, gin.H{
"error": fmt.Sprintf("Project %s not found", identifier),
})
return
}
if client_version != project.Client.Version {
c.JSON(400, gin.H{
"error": "Client version not supported",
"msg": fmt.Sprintf("Please update to version %s", project.Client.Version),
})
return
}
// 为了兼容 lowapk_v2 存档项目。它数据库用的 feed_id 而不是 id
var doc_id_name string
if project.Mongodb.CustomDocIDName != "" {
doc_id_name = project.Mongodb.CustomDocIDName
} else {
doc_id_name = DEFAULT_DOC_ID_NAME
}
db := mongoClient.Database(project.Mongodb.DbName)
queue := db.Collection(project.Mongodb.QueueCollection)
var filter bson.M
if task_id_type == "int" {
task_id, _ := strconv.ParseInt(task_id_str, 10, 64)
filter = bson.M{doc_id_name: task_id}
} else if task_id_type == "str" {
filter = bson.M{doc_id_name: task_id_str}
} else {
c.JSON(400, gin.H{"error": "Invalid task_id_type"})
return
}
update := bson.M{
"$set": bson.M{
"status": status,
"archivist": archivist,
"updated_at": primitive.NewDateTimeFromTime(time.Now().UTC()),
}}
var updated_doc bson.M
err := queue.FindOneAndUpdate(context.TODO(), filter, update).Decode(&updated_doc)
if err != nil {
if err == mongo.ErrNoDocuments {
c.JSON(404, gin.H{
"error": "Task not found",
})
return
}
panic(err)
}
c.JSON(200, gin.H{
"_id": updated_doc["_id"],
"msg": "Task updated successfully",
})
}
func v1_insert_many(c *gin.Context) {
identifier := c.Param("identifier")
client_version := c.Param("client_version")
archivist := c.Param("archivist")
if is_safe_sting(identifier) && is_safe_sting(archivist) {
// OK
} else {
c.JSON(400, gin.H{"error": "Invalid parameter or query string"})
return
}
project := GetProject(identifier)
if project == nil {
c.JSON(404, gin.H{
"error": fmt.Sprintf("Project %s not found", identifier),
})
return
}
if client_version != project.Client.Version {
c.JSON(400, gin.H{
"error": "Client version not supported",
"msg": fmt.Sprintf("Please update to version %s", project.Client.Version),
})
return
}
db := mongoClient.Database(project.Mongodb.DbName)
item_collection := db.Collection(project.Mongodb.ItemCollection)
// Parse JSON
topItems := []Item{}
if err := c.ShouldBindJSON(&topItems); err != nil {
c.JSON(400, gin.H{"error": err.Error()})
return
}
var doc_id_name string
if project.Mongodb.CustomDocIDName != "" {
doc_id_name = project.Mongodb.CustomDocIDName
} else {
doc_id_name = DEFAULT_DOC_ID_NAME
}
documents := []interface{}{}
for _, item := range topItems {
document := bson.M{}
// id
if item.Item_id_type == "str" {
document[doc_id_name] = item.Item_id
} else if item.Item_id_type == "int" {
item_id_int, err := strconv.ParseInt(item.Item_id, 10, 64)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid item_id"})
return
}
document[doc_id_name] = item_id_int
} else {
c.JSON(400, gin.H{"error": "Invalid task_id_type"})
return
}
// status
if item.Item_status_type == "str" {
document["status"] = item.Item_status
} else if item.Item_status_type == "int" {
status, err := strconv.ParseInt(item.Item_status, 10, 64)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid item_status"})
return
}
document["status"] = status
} else if item.Item_status_type == "None" {
document["status"] = nil
} else {
c.JSON(400, gin.H{"error": "Invalid status_type"})
return
}
// payload
var payload_BSON primitive.M
err := bson.UnmarshalExtJSON([]byte(item.Payload), true, &payload_BSON)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid JSON payload"})
panic(err)
}
document["payload"] = payload_BSON
documents = append(documents, document)
}
// do insert, sorted=false
opt := options.InsertMany().SetOrdered(false)
result, err := item_collection.InsertMany(context.TODO(), documents, opt)
// if err is BulkWriteException
if err != nil {
if !errors.As(err, &mongo.BulkWriteException{}) {
c.JSON(500, gin.H{"error": "Failed to insert items"})
panic(err)
}
// BulkWriteException is expected
}
bulkWriteException, _ := err.(mongo.BulkWriteException)
c.JSON(200, gin.H{
"InsertedIDs": result.InsertedIDs,
"msg": "Items bulk insert actions done successfully",
"WriteErrors": len(bulkWriteException.WriteErrors),
"Labels": len(bulkWriteException.Labels),
"WriteConcernError": bulkWriteException.WriteConcernError,
})
}
func v1_insert_item(c *gin.Context) {
identifier := c.Param("identifier")
client_version := c.Param("client_version")
archivist := c.Param("archivist")
item_id_str := c.Param("item_id")
var item_id_type, item_status, item_status_type, payload string
if c.ContentType() == "application/json" {
item := Item{}
if err := c.ShouldBindJSON(&item); err != nil {
c.JSON(400, gin.H{"error": err.Error()})
return
}
if item.Item_id != item_id_str {
c.JSON(400, gin.H{"error": "item_id in URL does not match item_id in JSON"})
return
}
item_id_type = item.Item_id_type
item_status = item.Item_status
item_status_type = item.Item_status_type
payload = item.Payload
} else {
item_id_type = c.PostForm("item_id_type") // str, int
item_status = c.PostForm("item_status") // item status
item_status_type = c.PostForm("item_status_type") // None, str, int
payload = c.PostForm("payload") // Any JSON string
}
if is_safe_sting(identifier) && is_safe_sting(archivist) {
// OK
} else {
c.JSON(400, gin.H{"error": "Invalid parameter or query string"})
return
}
project := GetProject(identifier)
if project == nil {
c.JSON(404, gin.H{
"error": fmt.Sprintf("Project %s not found", identifier),
})
return
}
if client_version != project.Client.Version {
c.JSON(400, gin.H{
"error": "Client version not supported",
"msg": fmt.Sprintf("Please update to version %s", project.Client.Version),
})
return
}
db := mongoClient.Database(project.Mongodb.DbName)
item_collection := db.Collection(project.Mongodb.ItemCollection)
var doc_id_name string
if project.Mongodb.CustomDocIDName != "" {
doc_id_name = project.Mongodb.CustomDocIDName
} else {
doc_id_name = DEFAULT_DOC_ID_NAME
}
document := bson.M{}
// id
if item_id_type == "str" {
document[doc_id_name] = item_id_str
} else if item_id_type == "int" {
item_id_int, err := strconv.ParseInt(item_id_str, 10, 64)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid item_id"})
return
}
document[doc_id_name] = item_id_int
} else {
c.JSON(400, gin.H{"error": "Invalid task_id_type"})
return
}
// status
if item_status_type == "str" {
document["status"] = item_status
} else if item_status_type == "int" {
status, err := strconv.ParseInt(item_status, 10, 64)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid item_status"})
return
}
document["status"] = status
} else if item_status_type == "None" {
document["status"] = nil
} else {
c.JSON(400, gin.H{"error": "Invalid status_type"})
return
}
// payload
var payload_BSON primitive.M
err := bson.UnmarshalExtJSON([]byte(payload), true, &payload_BSON)
if err != nil {
c.JSON(400, gin.H{"error": "Invalid JSON payload"})
panic(err)
}
document["payload"] = payload_BSON
// do insert
result, err := item_collection.InsertOne(context.TODO(), document)
if err != nil {
if mongo.IsDuplicateKeyError(err) {
c.JSON(500, gin.H{"error": "Failed to insert item, duplicate key"})
return
}
c.JSON(500, gin.H{"error": "Failed to insert item"})
panic(err)
}
if result.InsertedID == nil {
c.JSON(500, gin.H{"error": "Failed to insert item"})
panic("Failed to insert item")
}
c.JSON(200, gin.H{
"_id": result.InsertedID,
"msg": "Item inserted successfully",
})
}