Ertser Commit der test-Version

utilities/checkparams.js

@@ -0,0 +1,54 @@
+// parse the params from http call
+
+import {returnOnError} from "./reporterror.js"
+
+const checkParams = (params, mo) => {
+    let o = {opts: {}, err: null}
+    if ((mo.mandatory.length !== 0) && (params === undefined)) {
+        return returnOnError(o, 'NOPARAMETER', checkParams.name )
+    }
+    for (let p of mo.mandatory) {
+        if (!(p.name in params)) {
+            return returnOnError(o, 'NOMANDPARAM', checkParams.name, p.name)
+        }
+        if (p.type === 'int') {
+            let x = parseInt(params[p.name])
+            if (isNaN(x)) {
+                return returnOnError(o, 'PARAMNONUM', checkParams.name, p.name)
+            } else {
+                o.opts[p.name] = x
+                continue
+            }
+        } else if (p.type === 'float') {
+            let x = parseFloat(params[p.name])
+            if (isNaN(x)) {
+                return returnOnError(o, 'PARAMNONUM', checkParams.name, p.name)
+            } else {
+                o.opts[p.name] = x
+                continue
+            }
+        }
+        o.opts[p.name] = params[p.name]
+    }
+    for(let p of mo.optional) {
+        if (!(p.name in params)) {
+            o.opts[p.name] = p.default
+        } else {
+            if (p.type === 'int') {
+                let x = parseInt(params[p.name])
+                if (isNaN(x)) {
+                    o.opts[p.name] = p.default
+                } else {
+                    o.opts[p.name] = x
+                }
+            } else if (p.type === 'bool') {
+                o.opts[p.name] = params[p.name] === 'true'
+            } else {
+                o.opts[p.name] = params[p.name]
+            }
+        }
+    }
+    return o
+}
+
+export default checkParams