重构RPC逻辑

backend/utils/rpc.go

@@ -0,0 +1,14 @@
+package utils
+
+import "encoding/json"
+
+// Object 转化为 String
+func ObjectToString(params interface{}) string {
+	bytes, _ := json.Marshal(params)
+	return BytesToString(bytes)
+}
+
+// 获取 RPC 参数
+func GetRpcParam(key string, params map[string]string) string {
+	return params[key]
+}

backend/utils/system.go

@@ -0,0 +1,46 @@
+package utils
+
+import "crawlab/entity"
+
+func GetLangList() []entity.Lang {
+	list := []entity.Lang{
+		{
+			Name:              "Python",
+			ExecutableName:    "python",
+			ExecutablePaths:   []string{"/usr/bin/python", "/usr/local/bin/python"},
+			DepExecutablePath: "/usr/local/bin/pip",
+			LockPath:          "/tmp/install-python.lock",
+		},
+		{
+			Name:              "Node.js",
+			ExecutableName:    "node",
+			ExecutablePaths:   []string{"/usr/bin/node", "/usr/local/bin/node"},
+			DepExecutablePath: "/usr/local/bin/npm",
+			LockPath:          "/tmp/install-nodejs.lock",
+		},
+		{
+			Name:            "Java",
+			ExecutableName:  "java",
+			ExecutablePaths: []string{"/usr/bin/java", "/usr/local/bin/java"},
+			LockPath:        "/tmp/install-java.lock",
+		},
+	}
+	return list
+}
+
+// 获取语言列表
+func GetLangListPlain() []entity.Lang {
+	list := GetLangList()
+	return list
+}
+
+// 根据语言名获取语言实例，不包含状态
+func GetLangFromLangNamePlain(name string) entity.Lang {
+	langList := GetLangListPlain()
+	for _, lang := range langList {
+		if lang.ExecutableName == name {
+			return lang
+		}
+	}
+	return entity.Lang{}
+}