Refactor tactics service

app/controllers/tactics-controller.js

@@ -2,8 +2,9 @@
 
 const tacticsService = require('../services/tactics-service');
 const logger = require('../lib/logger');
+const { DuplicateIdError, BadlyFormattedParameterError, InvalidQueryStringParameterError } = require('../exceptions');
 
-exports.retrieveAll = function(req, res) {
+exports.retrieveAll = async function(req, res) {
     const options = {
         offset: req.query.offset || 0,
         limit: req.query.limit || 0,
@@ -15,96 +16,99 @@
         lastUpdatedBy: req.query.lastUpdatedBy,
         includePagination: req.query.includePagination
     }
+    try {
+            const results = await tacticsService.retrieveAll(options)
 
-    tacticsService.retrieveAll(options, function(err, results) {
-        if (err) {
-            logger.error('Failed with error: ' + err);
-            return res.status(500).send('Unable to get tactics. Server error.');
-        }
-        else {
             if (options.includePagination) {
                 logger.debug(`Success: Retrieved ${ results.data.length } of ${ results.pagination.total } total tactic(s)`);
             }
             else {
                 logger.debug(`Success: Retrieved ${ results.length } tactic(s)`);
             }
             return res.status(200).send(results);
+
+        } catch (err) {
+            logger.error('Failed with error: ' + err);
+            return res.status(500).send('Unable to get tactics. Server error.');
         }
-    });
 };
 
-exports.retrieveById = function(req, res) {
+exports.retrieveById = async function(req, res) {
     const options = {
         versions: req.query.versions || 'latest'
     }
 
-    tacticsService.retrieveById(req.params.stixId, options, function (err, tactics) {
-        if (err) {
-            if (err.message === tacticsService.errors.badlyFormattedParameter) {
-                logger.warn('Badly formatted stix id: ' + req.params.stixId);
-                return res.status(400).send('Stix id is badly formatted.');
-            }
-            else if (err.message === tacticsService.errors.invalidQueryStringParameter) {
-                logger.warn('Invalid query string: versions=' + req.query.versions);
-                return res.status(400).send('Query string parameter versions is invalid.');
-            }
-            else {
-                logger.error('Failed with error: ' + err);
-                return res.status(500).send('Unable to get tactics. Server error.');
-            }
-        }
-        else {
+    try {  
+            const tactics = await tacticsService.retrieveById(req.params.stixId, options);
+
             if (tactics.length === 0) {
                 return res.status(404).send('Tactic not found.');
             }
             else {
                 logger.debug(`Success: Retrieved ${ tactics.length } tactic(s) with id ${ req.params.stixId }`);
                 return res.status(200).send(tactics);
             }
+
+    }  catch (err) {
+        if (err instanceof BadlyFormattedParameterError) {
+            logger.warn('Badly formatted stix id: ' + req.params.stixId);
+            return res.status(400).send('Stix id is badly formatted.');
+        }
+        else if (err instanceof InvalidQueryStringParameterError) {
+            logger.warn('Invalid query string: versions=' + req.query.versions);
+            return res.status(400).send('Query string parameter versions is invalid.');
+        }
+        else {
+            logger.error('Failed with error: ' + err);
+            return res.status(500).send('Unable to get tactics. Server error.');
         }
-    });
+    }
 };
 
-exports.retrieveVersionById = function(req, res) {
-    tacticsService.retrieveVersionById(req.params.stixId, req.params.modified, function (err, tactic) {
-        if (err) {
-            if (err.message === tacticsService.errors.badlyFormattedParameter) {
-                logger.warn('Badly formatted stix id: ' + req.params.stixId);
-                return res.status(400).send('Stix id is badly formatted.');
-            }
-            else {
-                logger.error('Failed with error: ' + err);
-                return res.status(500).send('Unable to get tactic. Server error.');
-            }
-        } else {
-            if (!tactic) {
-                return res.status(404).send('tactic not found.');
-            }
-            else {
-                logger.debug(`Success: Retrieved tactic with id ${tactic.id}`);
-                return res.status(200).send(tactic);
-            }
+exports.retrieveVersionById = async function(req, res) {
+
+    try {
+
+        const tactic = await tacticsService.retrieveVersionById(req.params.stixId, req.params.modified);
+
+        if (!tactic) {
+            return res.status(404).send('tactic not found.');
+        }
+        else {
+            logger.debug(`Success: Retrieved tactic with id ${tactic.id}`);
+            return res.status(200).send(tactic);
+        }
+
+    } catch (err) {
+        if (err instanceof BadlyFormattedParameterError) {
+            logger.warn('Badly formatted stix id: ' + req.params.stixId);
+            return res.status(400).send('Stix id is badly formatted.');
+        }
+        else {
+            logger.error('Failed with error: ' + err);
+            return res.status(500).send('Unable to get tactic. Server error.');
         }
-    });
+    }
 };
 
 exports.create = async function(req, res) {
     // Get the data from the request
     const tacticData = req.body;
 
+    const options = {
+        import: false,
+        userAccountId: req.user?.userAccountId
+    };
+
     // Create the tactic
     try {
-        const options = {
-            import: false,
-            userAccountId: req.user?.userAccountId
-        };
         const tactic = await tacticsService.create(tacticData, options);
 
         logger.debug("Success: Created tactic with id " + tactic.stix.id);
         return res.status(201).send(tactic);
     }
     catch(err) {
-        if (err.message === tacticsService.errors.duplicateId) {
+        if (err instanceof DuplicateIdError) {
             logger.warn("Duplicate stix.id and stix.modified");
             return res.status(409).send('Unable to create tactic. Duplicate stix.id and stix.modified properties.');
         }
@@ -115,58 +119,62 @@
     }
 };
 
-exports.updateFull = function(req, res) {
+exports.updateFull = async function(req, res) {
     // Get the data from the request
     const tacticData = req.body;
 
-    // Create the tactic
-    tacticsService.updateFull(req.params.stixId, req.params.modified, tacticData, function(err, tactic) {
-        if (err) {
-            logger.error("Failed with error: " + err);
-            return res.status(500).send("Unable to update tactic. Server error.");
-        }
-        else {
-            if (!tactic) {
-                return res.status(404).send('tactic not found.');
-            } else {
-                logger.debug("Success: Updated tactic with id " + tactic.stix.id);
-                return res.status(200).send(tactic);
-            }
+    try {
+        const tactic = await tacticsService.updateFull(req.params.stixId, req.params.modified, tacticData);
+
+        if (!tactic) {
+            return res.status(404).send('tactic not found.');
+        } else {
+            logger.debug("Success: Updated tactic with id " + tactic.stix.id);
+            return res.status(200).send(tactic);
         }
-    });
+    } catch (err) {
+        logger.error("Failed with error: " + err);
+        return res.status(500).send("Unable to update tactic. Server error.");
+    }
 };
 
-exports.deleteVersionById = function(req, res) {
-    tacticsService.deleteVersionById(req.params.stixId, req.params.modified, function (err, tactic) {
-        if (err) {
-            logger.error('Delete tactic failed. ' + err);
-            return res.status(500).send('Unable to delete tactic. Server error.');
-        }
-        else {
-            if (!tactic) {
-                return res.status(404).send('tactic not found.');
-            } else {
-                logger.debug("Success: Deleted tactic with id " + tactic.stix.id);
-                return res.status(204).end();
-            }
+exports.deleteVersionById = async function(req, res) {
+
+    try {
+
+        const tactic = await tacticsService.deleteVersionById(req.params.stixId, req.params.modified);
+
+        if (!tactic) {
+            return res.status(404).send('tactic not found.');
+        } else {
+            logger.debug("Success: Deleted tactic with id " + tactic.stix.id);
+            return res.status(204).end();
         }
-    });
+
+    } catch (err) {
+        logger.error('Delete tactic failed. ' + err);
+        return res.status(500).send('Unable to delete tactic. Server error.');
+    }
+
 };
 
-exports.deleteById = function(req, res) {
-    tacticsService.deleteById(req.params.stixId, function (err, tactics) {
-        if (err) {
-            logger.error('Delete tactic failed. ' + err);
-            return res.status(500).send('Unable to delete tactic. Server error.');
+exports.deleteById = async function(req, res) {
+
+    try {
+
+        const tactics = await tacticsService.deleteById(req.params.stixId);
+
+        if (tactics.deletedCount === 0) {
+            return res.status(404).send('Tactic not found.');
         } else {
-            if (tactics.deletedCount === 0) {
-                return res.status(404).send('Tactic not found.');
-            } else {
-                logger.debug(`Success: Deleted tactic with id ${req.params.stixId}`);
-                return res.status(204).end();
-            }
+            logger.debug(`Success: Deleted tactic with id ${req.params.stixId}`);
+            return res.status(204).end();
         }
-    });
+
+    } catch (err) {
+        logger.error('Delete tactic failed. ' + err);
+        return res.status(500).send('Unable to delete tactic. Server error.');
+    } 
 };
 
 exports.retrieveTechniquesForTactic = async function(req, res) {
@@ -187,7 +195,7 @@
         }
     }
     catch(err) {
-        if (err.message === tacticsService.errors.badlyFormattedParameter) {
+        if (err instanceof BadlyFormattedParameterError) {
             logger.warn('Badly formatted stix id: ' + req.params.stixId);
             return res.status(400).send('Stix id is badly formatted.');
         } else {

app/repository/groups-repository.js

@@ -5,4 +5,4 @@ const Group = require('../models/group-model');
 
 class GroupsRepository extends BaseRepository { }
 
-module.exports = new GroupsRepository(Group);
+module.exports = new GroupsRepository(Group);

app/repository/tactics-repository.js

@@ -0,0 +1,13 @@
+'use strict';
+
+const BaseRepository = require('./_base.repository');
+const Tactic = require('../models/tactic-model');
+
+class TacticsRepository extends BaseRepository {
+
+    constructor() {
+        super(Tactic);
+    }
+}
+
+module.exports = new TacticsRepository();