better error handling, added chant command

commands/Chant.js

@@ -0,0 +1,93 @@
+const globals = require('../globals');
+const Discord = require('discord.js');
+const db = globals.db;
+const { roll } = require('@dsabot/Roll');
+const { findMessage } = require('@dsabot/findMessage');
+const { getChant } = require('@dsabot/getChant');
+const { CalculateQuality } = require('@dsabot/CalculateQuality');
+const { CompareResults } = require('@dsabot/CompareResults');
+const { CreateResultTable, f } = require('@dsabot/CreateResultTable');
+module.exports = {
+    name: 'chant',
+    description:
+        ' Du machst eine Fertigkeitsprobe auf Magietalente.\n' +
+        ' Es werden drei Würfel auf deine Eigenschaftswerte geworfen. Deine Boni werden in' +
+        ' die Berechnung einbezogen.',
+    aliases: [''],
+    usage: '<Liturgie/Zeremonie> [<-Erschwernis> / <+Erleichterung>]',
+    needs_args: false,
+    async exec(message, args) {
+        db.find({ user: message.author.tag }, (err, docs) => {
+            if (docs.length === 0) {
+                return message.reply(findMessage('NOENTRY'));
+            }
+            if (!docs[0].character.hasOwnProperty('chants'))
+                return message.reply(findMessage('NO_CHANTS'));
+            if (!isNaN(args[0])) {
+                return message.reply(findMessage('WRONG_ARGUMENTS'));
+            }
+            const Chant = getSpell({ Character: docs[0].character, chant_name: args[0] });
+            if (!Chant) {
+                return message.reply(findMessage('CHANT_UNKNOWN'));
+            }
+            if (!Chant.Level || !Chant.Attributes) {
+                return;
+            }
+            const Attributes = Chant.Attributes;
+            const DiceThrow = roll(3, 20, message.author.tag).dice;
+            const Bonus = parseInt(args[1]) || 0;
+            let { Passed, CriticalHit, Fumbles, PointsUsed, PointsRemaining } = CompareResults(
+                DiceThrow,
+                Attributes.map(attr => attr.Level),
+                Bonus,
+                Chant.Level
+            );
+            const Reply = new Discord.MessageEmbed();
+            Reply.addFields({
+                name: `Du würfelst auf das Talent **${Chant.Name}** ( Stufe ${Chant.Level} ${
+                    Bonus ? `${f(Bonus)} ` : ''
+                })`,
+                value: CreateResultTable({
+                    Attributes: Attributes,
+                    Throws: DiceThrow,
+                    PointsUsed: PointsUsed,
+                    Bonus: Bonus,
+                }),
+                inline: false,
+            });
+            if (Fumbles >= 2) {
+                Reply.setColor('#900c3f');
+                Reply.addFields({
+                    name: findMessage('TITLE_CRIT_FAILURE'),
+                    value: findMessage('MSG_CRIT_FAILURE'),
+                    inline: false,
+                });
+            } else if (CriticalHit >= 2) {
+                Reply.setColor('#1E8449');
+                Reply.addFields({
+                    name: findMessage('TITLE_CRIT_SUCCESS'),
+                    value: findMessage('MSG_CRIT_SUCCESS'),
+                    inline: false,
+                });
+            } else if (Passed < 3) {
+                Reply.addFields({
+                    name: findMessage('TITLE_FAILURE'),
+                    value: `${
+                        Passed === 0 ? 'Keine Probe' : `nur ${Passed}/3 Proben`
+                    } erfolgreich. 😪`,
+                    inline: false,
+                });
+            } else {
+                Reply.addFields({
+                    name: findMessage('TITLE_SUCCESS'),
+                    value: `Dein verbleibender Bonus: ${PointsRemaining}/${
+                        Chant.Level
+                    } (QS${CalculateQuality(PointsRemaining)})`,
+                    inline: false,
+                });
+            }
+
+            message.reply(Reply);
+        });
+    },
+};