added all doc & slice&dice features, added log feature

Author: zaygo

.config.json

@@ -1,7 +1,6 @@
 {
   "db_src": "C://Users/arjun/Documents",
   "logs": {
-    "lazlo_log": "./logs/lazlo.log",
-    "custom_log": null
+    "lazlo_log": "./logs/lazlo.log"
   }
 }

common-functions.js

@@ -1,49 +1,99 @@
-function whereComp(prop,operator,val)  //operator comparison for where clause
-{
+const ejf = require('edit-json-file');
+let config = ejf('./.config.json');
+const uniqid = require('uniqid');
+const log = require('simple-node-logger').createSimpleFileLogger(config.get("logs.lazlo_log"));
+
+//operator comparison for where clause
+function whereComp(prop, operator, val) {
     let output = [];
 
-    if(operator === '=') {
+    if (operator === '=') {
         cache.forEach((obj) => {
-            if(obj[prop] == val) {
+            if (obj[prop] == val) {
                 output.push(obj);
             }
         });
-    }
-    else if(operator === '!=') {
+    } else if (operator === '!=') {
         cache.forEach((obj) => {
-            if(obj[prop] != val) {
+            if (obj[prop] != val) {
                 output.push(obj);
             }
         });
-    }
-    else if(operator === '>') {
+    } else if (operator === '>') {
         cache.forEach((obj) => {
-            if(obj[prop] > val) {
+            if (obj[prop] > val) {
                 output.push(obj);
             }
         });
-    }
-    else if(operator === '<') {
+    } else if (operator === '<') {
         cache.forEach((obj) => {
-            if(obj[prop] < val) {
+            if (obj[prop] < val) {
                 output.push(obj);
             }
         });
-    }
-    else if(operator === '>=') {
+    } else if (operator === '>=') {
         cache.forEach((obj) => {
-            if(obj[prop] > val || obj[prop] == val) {
+            if (obj[prop] > val || obj[prop] == val) {
                 output.push(obj);
             }
         });
-    }
-    else if(operator === '<=') {
+    } else if (operator === '<=') {
         cache.forEach((obj) => {
-            if(obj[prop] < val || obj[prop] == val) {
+            if (obj[prop] < val || obj[prop] == val) {
                 output.push(obj);
             }
         });
+    } else {
+        output = null;
     }
     return output;
 }
-module.exports.whereComp = whereComp;
+
+module.exports.whereComp = whereComp;
+
+//id generator
+function idgen() {
+    let prefix = new Date().toISOString().substr(0, 10);
+    return id = uniqid(`${prefix}@`);
+}
+
+module.exports.idgen = idgen;
+
+//log generators
+function docEntryLog(count, docname, op) {
+    if (op === true) {
+        log.info(`DE : ${count} entries added to ${docname} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+    } else {
+        log.warn(`DR : ${count} entries removed from ${docname} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+    }
+}
+
+module.exports.docEntryLog = docEntryLog;
+
+function docCreationLog(docname, db) {
+    log.info(`DC : ${docname} created in ${db} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+}
+
+module.exports.docCreationLog = docCreationLog;
+
+function docDeletionLog(docname, db) {
+    log.warn(`DD : ${docname} deleted from ${db} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+}
+
+module.exports.docDeletionLog = docDeletionLog;
+
+function dbLog(op) {
+    if (op === true) {
+        log.info(`DBC : ${db} created in ${config.get("db_src")} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+    } else {
+        log.warn(`DBD : ${db} deleted from ${config.get("db_src")} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+    }
+}
+
+module.exports.dbLog = dbLog;
+
+function docUpdateLog(id, docname) {
+    log.info(`DU : Entry(id : ${id}) updated in ${docname} on `, new Date().toISOString().replace('T', '@').substr(0, 16));
+}
+
+module.exports.docUpdateLog = docUpdateLog;