1 files changed, 115 insertions, 0 deletions
diff --git a/lib/models/pluginDependency.js b/lib/models/pluginDependency.js
new file mode 100644
index 0000000..bb8e4b4
--- /dev/null
+++ b/lib/models/pluginDependency.js
@@ -0,0 +1,115 @@
+var is = require('is');
+var Immutable = require('immutable');
+
+var DEFAULT_VERSION = '*';
+
+/*
+    PluginDependency represents the informations about a plugin
+    stored in config.plugins
+*/
+var PluginDependency = Immutable.Record({
+    name:       String(),
+
+    // Requirement version (ex: ">1.0.0")
+    version:    String(DEFAULT_VERSION),
+
+    // Is this plugin enabled or disabled?
+    enabled:    Boolean(true)
+}, 'PluginDependency');
+
+PluginDependency.prototype.getName = function() {
+    return this.get('name');
+};
+
+PluginDependency.prototype.getVersion = function() {
+    return this.get('version');
+};
+
+PluginDependency.prototype.isEnabled = function() {
+    return this.get('enabled');
+};
+
+/**
+    Create a plugin from a string
+
+    @param {String}
+    @return {Plugin|undefined}
+*/
+PluginDependency.createFromString = function(s) {
+    var parts = s.split('@');
+    var name = parts[0];
+    var version = parts.slice(1).join('@');
+    var enabled = true;
+
+    if (name[0] === '-') {
+        enabled = false;
+        name = name.slice(1);
+    }
+
+    return new PluginDependency({
+        name: name,
+        version: version || DEFAULT_VERSION,
+        enabled: enabled
+    });
+};
+
+/**
+    Create a PluginDependency from a string
+
+    @param {String}
+    @return {List<PluginDependency>}
+*/
+PluginDependency.listFromString = function(s) {
+    var parts = s.split(',');
+    return PluginDependency.listFromArray(parts);
+};
+
+/**
+    Create a PluginDependency from an array
+
+    @param {Array}
+    @return {List<PluginDependency>}
+*/
+PluginDependency.listFromArray = function(arr) {
+    return Immutable.List(arr)
+        .map(function(entry) {
+            if (is.string(entry)) {
+                return PluginDependency.createFromString(entry);
+            } else {
+                return PluginDependency({
+                    name: entry.name,
+                    version: entry.version
+                });
+            }
+        })
+        .filter(function(dep) {
+            return Boolean(dep.getName());
+        });
+};
+
+/**
+    Export plugin dependencies as an array
+
+    @param {List<PluginDependency>}
+    @return {Array<String>}
+*/
+PluginDependency.listToArray = function(arr) {
+    return arr
+        .map(function(dep) {
+            var result;
+
+            if (dep.isEnabled()) {
+                result += '-';
+            }
+
+            result += dep.getName();
+            if (dep.getVersion() !== DEFAULT_VERSION) {
+                result += '@' + dep.getVersion();
+            }
+
+            return result;
+        })
+        .toJS();
+};
+
+module.exports = PluginDependency;