From 008ea94b533988c58f14403fa4100f3893cf1f4b Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Wed, 28 Oct 2015 00:04:57 +0100
Subject: [PATCH] Add giphy support. !gif <query>

---
 README.md                |  4 ++++
 config.go                |  3 +++
 matterbridge.conf.sample |  3 +++
 matterbridge.go          | 19 ++++++++++++++++++-
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5946908f..db9d47b4 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,10 @@ showjoinpart=true #show irc users joining and parting
 token=yourtokenfrommattermost
 #disable certificate checking (selfsigned certificates)
 #SkipTLSVerify=true
+
+[general]
+#request your API key on https://github.com/giphy/GiphyAPI. This is a public beta key
+GiphyApiKey="dc6zaTOxFJmzC"
 ```
 
 ### mattermost
diff --git a/config.go b/config.go
index e40b0e9a..ecdf65fa 100644
--- a/config.go
+++ b/config.go
@@ -23,6 +23,9 @@ type Config struct {
 		IconURL       string
 		SkipTLSVerify bool
 	}
+	General struct {
+		GiphyAPIKey string
+	}
 }
 
 func NewConfig(cfgfile string) *Config {
diff --git a/matterbridge.conf.sample b/matterbridge.conf.sample
index bac921ce..f910e019 100644
--- a/matterbridge.conf.sample
+++ b/matterbridge.conf.sample
@@ -13,3 +13,6 @@ showjoinpart=true
 #token=yourtokenfrommattermost
 IconURL="http://youricon.png"
 #SkipTLSVerify=true
+
+[general]
+GiphyAPIKey=dc6zaTOxFJmzC
diff --git a/matterbridge.go b/matterbridge.go
index 734904cf..b9f34c7c 100644
--- a/matterbridge.go
+++ b/matterbridge.go
@@ -3,6 +3,7 @@ package main
 import (
 	"crypto/tls"
 	"github.com/42wim/matterbridge/matterhook"
+	"github.com/peterhellberg/giphy"
 	"github.com/thoj/go-ircevent"
 	"log"
 	"strconv"
@@ -80,10 +81,14 @@ func (b *Bridge) Send(nick string, message string) error {
 func (b *Bridge) handleMatter() {
 	for {
 		message := b.m.Receive()
-		switch message.Text {
+		cmd := strings.Fields(message.Text)[0]
+		switch cmd {
 		case "!users":
 			log.Println("received !users from", message.UserName)
 			b.i.SendRaw("NAMES " + b.Config.IRC.Channel)
+		case "!gif":
+			message.Text = b.giphyRandom(strings.Fields(strings.Replace(message.Text, "!gif ", "", 1)))
+			b.Send(b.Config.IRC.Nick, "![img]("+message.Text+")")
 		}
 		texts := strings.Split(message.Text, "\n")
 		for _, text := range texts {
@@ -92,6 +97,18 @@ func (b *Bridge) handleMatter() {
 	}
 }
 
+func (b *Bridge) giphyRandom(query []string) string {
+	g := giphy.DefaultClient
+	if b.Config.General.GiphyAPIKey != "" {
+		g.APIKey = b.Config.General.GiphyAPIKey
+	}
+	res, err := g.Random(query)
+	if err != nil {
+		return "error"
+	}
+	return res.Data.FixedHeightDownsampledURL
+}
+
 func main() {
 	NewBridge("matterbot", NewConfig("matterbridge.conf"))
 	select {}