lib/dbwrap.js

@@ -1,52 +1,9 @@
 'use strict';
-/*global Promise*/
-var PromiseA = Promise;
-
-function lowerFirst(str) {
-  return str.charAt(0).toLowerCase() + str.substr(1);
-}
-function snakeCase(str) {
-  return lowerFirst(str).replace(/([A-Z])/g, function (match) {
-    return "_" + match.toLowerCase();
-  });
-}
-function camelCase(str) {
-  return str.replace(/_([a-z])/g, function (match) {
-    return match[1].toUpperCase();
-  });
-}
-function upperCamelCase(str) {
-  var camel = camelCase(str);
-  return camel.charAt(0).toUpperCase() + camel.substr(1);
-}
-
-var searchConditions = {
-  '=':  true,
-  '==': true,
-  '!=': true,
-  '<>': true,
-  '<':  true,
-  '<=': true,
-  '!<': true,
-  '>':  true,
-  '>=': true,
-  '!>': true,
-  'IS': true,
-  'IS NOT': true,
-
-  'IN':          true,
-  'NOT IN':      true,
-  'LIKE':        true,
-  'NOT LIKE':    true,
-  'GLOB':        true,
-  'NOT GLOB':    true,
-  'BETWEEN':     true,
-  'NOT BETWEEN': true,
-};
 
 function wrap(db, dir, dbsMap) {
   // TODO if I put a failure right here,
   // why doesn't the unhandled promise rejection fire?
+  var PromiseA = require('bluebird');
   var promises = [];
   var earr = [];
   var debug = false;
@@ -55,6 +12,34 @@ function wrap(db, dir, dbsMap) {
     dbsMap = {};
   }
 
+  function lowerFirst(str) {
+    return str.charAt(0).toLowerCase() + str.slice(1);
+  }
+
+  function snakeCase(str) {
+    return lowerFirst(str).replace(
+      /([A-Z])/g
+    , function ($1) {
+        return "_" + $1.toLowerCase();
+      }
+    );
+  }
+
+  function camelCase(str) {
+    str = str.replace(
+      /_([a-z])/g
+    , function (g) {
+        return g[1].toUpperCase();
+      }
+    );
+    return str;
+  }
+
+  function upperCamelCase(str) {
+    // TODO handle UTF-8 properly (use codePointAt, don't use slice)
+    return str.charAt(0).toUpperCase() + camelCase(str).slice(1);
+  }
+
   // PRAGMA schema.table_info(table-name);
   //
   function sqlite3GetColumns(tablename, columns, cb) {
@@ -162,10 +147,14 @@ function wrap(db, dir, dbsMap) {
 
     dir.indices.forEach(normalizeColumn);
     DB._indices = dir.indices;
-    DB._indicesMap = {};
+
-    DB._indices.forEach(function (col) {
+    function simpleParse(row) {
-      DB._indicesMap[col.name] = col;
+      if (!row) {
-    });
+        return null;
+      }
+
+      return simpleMap([row])[0] || null;
+    }
 
     function simpleMap(rows) {
       if (!rows) {
@@ -180,10 +169,10 @@ function wrap(db, dir, dbsMap) {
 
         if (row.json) {
           obj = JSON.parse(row.json);
+          delete row.json;
         } else {
           obj = {};
         }
-        delete row.json;
 
         obj[idnameCased] = row[idname];
         delete row[idname];
@@ -209,93 +198,6 @@ function wrap(db, dir, dbsMap) {
       return results;
     }
 
-    function simpleParse(row) {
-      if (!row) {
-        return null;
-      }
-
-      return simpleMap([row])[0] || null;
-    }
-
-    // pull indices from object
-    function strainUpdate(id, data/*, vals*/, cb, oldId) {
-      var fieldable = [];
-      var sql;
-      var vals = [];
-
-      ['hasOne', 'hasMany', 'hasAndBelongsToMany', 'belongsTo', 'belongsToMany'].forEach(function (relname) {
-        var rels = dir[relname];
-
-        if (!rels) {
-          return;
-        }
-
-        if (!Array.isArray(rels)) {
-          rels = [rels];
-        }
-
-        // don't save relationships
-        rels.forEach(function (colname) {
-          delete data[colname];
-          delete data[camelCase(colname)];
-          // TODO placehold relationships on find / get?
-          // data[camelCase(colname)] = null;
-        });
-      });
-
-      dir.indices.forEach(function (col) {
-        // We prioritze the raw name rather than the camelCase name because it's not in the object
-        // we give for retrieved entries, so if it's present then the user put it there themselves.
-        var val = data[col.name] || data[camelCase(col.name)];
-
-        //if (col.name in data)
-        if ('undefined' !== typeof val) {
-          /*
-          fieldable.push(
-            db.escape(snakeCase(col.name))
-          + " = '" + db.escape(val) + "'"
-          );
-          */
-          fieldable.push(db.escape(snakeCase(col.name)));
-          vals.push(val);
-        }
-
-        delete data[col.name];
-        delete data[camelCase(col.name)];
-      });
-
-      if (!oldId) {
-        delete data[idnameCased];
-      }
-
-      if (!fieldable.length || Object.keys(data).length) {
-        vals.push(JSON.stringify(data));
-      } else {
-        vals.push(null);
-      }
-      fieldable.push('json');
-
-      vals.push(id);
-
-      sql = cb(fieldable);
-
-      if (debug) {
-        console.log('[masterquest-sqlite3] dbwrap.js');
-        console.log(sql);
-        console.log(vals);
-      }
-
-      vals.forEach(function (val) {
-        if (null === val || 'number' === typeof val) {
-          sql = sql.replace('?', String(val));
-        } else {
-          sql = sql.replace('?', "'" + db.escape(val) + "'");
-        }
-      });
-
-      return sql;
-    }
-
     DB.migrate = function (columns) {
       columns.forEach(normalizeColumn);
 
@@ -327,129 +229,34 @@ function wrap(db, dir, dbsMap) {
         return PromiseA.reject(err);
       }
 
-      if (params && params.limit) {
-        params.limit = parseInt(params.limit, 10);
-        // remember to check for the case of NaN
-        if (!params.limit || params.limit <= 0) {
-          return PromiseA.reject(new Error('limit must be a positive integer'));
-        }
-      }
-
       if (obj && keys.length) {
-        var conditions = keys.map(function (key) {
+        sql += 'WHERE ';
-          var dbKey = db.escape(snakeCase(key));
-          var value = obj[key];
-          if (null === value) {
-            return dbKey + ' IS NULL';
-          }
 
-          var split, cmd;
+        keys.forEach(function (key, i) {
-          if (typeof value === 'string') {
+          if (i !== 0) {
-            value = value.trim();
+            sql += 'AND ';
-            if (['IS NULL', 'IS NOT NULL'].indexOf(value.toUpperCase()) !== -1) {
-              return dbKey + ' ' + value.toUpperCase();
-            }
-
-            split = value.split(' ');
-            if (searchConditions[split[0].toUpperCase()]) {
-              cmd = split[0].toUpperCase();
-              value = split.slice(1).join(' ');
-            } else if (searchConditions[split.slice(0, 2).join(' ').toUpperCase()]) {
-              cmd = split.slice(0, 2).join(' ').toUpperCase();
-              value = split.slice(2).join(' ');
-            }
-            // If we were given something like "BEGINS WITH 'something quoted'" we don't want
-            // to include the quotes (we'll quote it again later) so we strip them out here.
-            if (cmd) {
-              value = value.replace(/^(['"])(.*)\1$/, '$2');
-            }
           }
-          if (typeof value === 'object') {
+          if (null === obj[key]) {
-            cmd = value.condition || value.relation || value.cmd;
+            sql += db.escape(snakeCase(key)) + " IS null";
-            value = value.value;
-            if (!cmd || !value) {
-              err = new Error("'"+key+"' was an object, but missing condition and/or value");
-              return;
-            }
-            if (typeof cmd !== 'string' || !searchConditions[cmd.toUpperCase()]) {
-              err = new Error("'"+key+"' tried to use invalid condition '"+cmd+"'");
-              return;
-            } else {
-              cmd = cmd.toUpperCase();
-            }
           }
-
+          else {
-          if (!cmd) {
+            // TODO check that key is some type? ignore undefined?
-            cmd = '=';
+            sql += db.escape(snakeCase(key)) + " = '" + db.escape(obj[key]) + "'";
           }
-          // The IN condition is special in that we can't quote the value as a single value,
-          // so it requires a little more logic to actually work and still be sanitary.
-          if (cmd === 'IN' || cmd === 'NOT IN') {
-            if (typeof value === 'string') {
-              value = value.split((params || {}).seperator || /[\s,]+/);
-            }
-            if (!Array.isArray(value)) {
-              err = new Error("'"+key+"' has invalid value for use with 'IN'");
-              return;
-            }
-            value = value.map(function (val) {
-              return "'"+db.escape(val)+"'";
-            });
-            return dbKey + ' ' + cmd + ' (' + value.join(',') + ')';
-          }
-          // The BETWEEN condition is also special for the same reason as IN
-          if (cmd === 'BETWEEN' || cmd === 'NOT BETWEEN') {
-            if (typeof value === 'string') {
-              value = value.split((params || {}).seperator || /[\s,]+(AND\s+)?/i);
-            }
-            if (!Array.isArray(value) || value.length !== 2) {
-              err = new Error("'"+key+"' has invalid value for use with 'BETWEEN'");
-              return;
-            }
-            value = value.map(function (val) {
-              return "'"+db.escape(val)+"'";
-            });
-            return dbKey + ' ' + cmd + ' ' + value.join(' AND ');
-          }
-          // If we are supposed to compare to another field then make sure the name is correct,
-          // and that we don't try to quote the name.
-          if (typeof value === 'string' && /^[a-zA-Z0-9_]*$/.test(value)) {
-            var snake = snakeCase(value);
-            if (dir.indices.some(function (col) { return snake === col.name; })) {
-              return dbKey + ' ' + cmd + ' ' + snake;
-            }
-          }
-          return dbKey + ' ' + cmd + " '" + db.escape(value) + "'";
         });
-        if (err) {
-          return PromiseA.reject(err);
-        }
-
-        sql += 'WHERE ' + conditions.join(' AND ');
       }
-      else if (null !== obj || !(params && params.limit)) {
+      else if (null !== obj || (params && !params.limit)) {
         return PromiseA.reject(new Error("to find all you must explicitly specify find(null, { limit: <<int>> })"));
       }
 
       if (params) {
-        if (typeof params.orderByDesc === 'string' && !params.orderBy) {
-          params.orderBy = params.orderByDesc;
-          params.orderByDesc = true;
-        }
-
-        // IMPORTANT: " is not the same to sqlite as '.
-        // // " is exact and necessary
         if (params.orderBy) {
-          sql += " ORDER BY \"" + db.escape(snakeCase(params.orderBy)) + "\" ";
+          sql += " ORDER BY \"" + db.escape(snakeCase(params.orderBy) + "\" ");
           if (params.orderByDesc) {
-            sql += "DESC ";
+            sql += 'DESC ';
           }
-        } else if (DB._indicesMap.updated_at) {
-          sql += " ORDER BY \"updated_at\" DESC ";
-        } else if (DB._indicesMap.created_at) {
-          sql += " ORDER BY \"created_at\" DESC ";
         }
-        if (isFinite(params.limit)) {
+        if (params.limit) {
           sql += " LIMIT " + parseInt(params.limit, 10);
         }
       }
@@ -494,13 +301,8 @@ function wrap(db, dir, dbsMap) {
     DB.save = function (data, oldId) {
       if (!data[idnameCased] && !oldId) {
         // NOTE saving the id both in the object and the id for now
-        data[idnameCased] = require('crypto').randomBytes(16).toString('hex').split('');
+        var UUID = require('node-uuid');
-        data[idnameCased].splice(8, 0, '-');
+        data[idnameCased] = UUID.v4();
-        data[idnameCased].splice(8 + 1 + 4, 0, '-');
-        data[idnameCased].splice(8 + 1 + 4 + 1 + 4, 0, '-');
-        data[idnameCased].splice(8 + 1 + 4 + 1 + 4 + 1 + 4, 0, '-');
-        data[idnameCased][14] = 4; // TODO look at the mock uuid in the Go code I wrote
-        data[idnameCased] = data[idnameCased].join('');
         return DB.create(data[idnameCased], data).then(function (/*stats*/) {
           //data._rowid = stats.id;
           return data;
@@ -571,6 +373,80 @@ function wrap(db, dir, dbsMap) {
       });
     };
 
+    // pull indices from object
+    function strainUpdate(id, data/*, vals*/, cb, oldId) {
+      var fieldable = [];
+      var json;
+      var sql;
+      var vals = [];
+
+      ['hasOne', 'hasMany', 'hasAndBelongsToMany', 'belongsTo', 'belongsToMany'].forEach(function (relname) {
+        var rels = dir[relname];
+
+        if (!rels) {
+          return;
+        }
+
+        if (!Array.isArray(rels)) {
+          rels = [rels];
+        }
+
+        // don't save relationships
+        rels.forEach(function (colname) {
+          delete data[colname];
+          delete data[camelCase(colname)];
+          // TODO placehold relationships on find / get?
+          // data[camelCase(colname)] = null;
+        });
+      });
+
+      dir.indices.forEach(function (col) {
+        var val = data[camelCase(col.name)];
+
+        //if (col.name in data)
+        if ('undefined' !== typeof val) {
+          /*
+          fieldable.push(
+            db.escape(snakeCase(col.name))
+          + " = '" + db.escape(val) + "'"
+          );
+          */
+          fieldable.push(db.escape(snakeCase(col.name)));
+          vals.push(val);
+        }
+
+        delete data[col.name];
+        delete data[camelCase(col.name)];
+      });
+
+      if (!oldId) {
+        delete data[idnameCased];
+      }
+
+      if (!fieldable.length || Object.keys(data).length) {
+        json = JSON.stringify(data);
+        fieldable.push("json");
+        //fieldable.push("json = '" + db.escape(json) + "'");
+        vals.push(json);
+      }
+
+      vals.push(id);
+
+      sql = cb(fieldable);
+
+      if (debug) {
+        console.log('[masterquest-sqlite3] dbwrap.js');
+        console.log(sql);
+        console.log(vals);
+      }
+
+      while (vals.length) {
+        sql = sql.replace(/\?/, "'" + db.escape(vals.shift()) + "'");
+      }
+
+      return sql;
+    }
+
     DB.set = function (id, obj, oldId) {
       obj.updatedAt = Date.now();
 
@@ -683,14 +559,9 @@ function wrap(db, dir, dbsMap) {
     });
   }
 
-  function promisify(key) {
-    if ('function' !== typeof db[key] || /Async$/.test(key) || db[key + 'Async']) { return; }
-    db[key + 'Async'] = require('util').promisify(db[key]);
-  }
   if (!db.__masterquest_init) {
     db.__masterquest_init = true;
-    Object.keys(db).forEach(promisify);
+    db = PromiseA.promisifyAll(db);
-    ['run', 'all'].forEach(promisify);
     db.__masterquest_init = true;
     db.escape = function (str) {
       // TODO? literals for true,false,null

package-lock.json

@@ -1,5 +0,0 @@
-{
-  "name": "masterquest-sqlite3",
-  "version": "1.3.0",
-  "lockfileVersion": 1
-}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "masterquest-sqlite3",
-  "version": "1.3.1",
+  "version": "1.1.0",
   "description": "A NoSQL / SQLite3 Hybrid. All your indices are belong to us. Master Quest.",
   "main": "lib/dbwrap",
   "scripts": {
@@ -8,10 +8,12 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://git.coolaj86.com:coolaj86/masterquest-sqlite3.js"
+    "url": "git@github.com:coolaj86/node-masterquest-sqlite3.git"
   },
   "author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)",
   "license": "(MIT OR Apache-2.0)",
-  "homepage": "https://git.coolaj86.com:coolaj86/masterquest-sqlite3.js",
+  "homepage": "https://github.com/coolaj86/masterquest-sqlite3",
-  "dependencies": {}
+  "dependencies": {
+    "bluebird": "^3.0.5"
+  }
 }