Added parsers (which parses text) and first parser for Gitea.

This is a very basic and hackish example. It will be reworked.

README.md

@@ -29,6 +29,16 @@ path. Do it like:
 opensaps -config /path/to/opensaps.yaml
 ```
 
+# About hooks and parsers
+
+While configuring a webhook in your application, please, set username
+exactly same as one of parsers in ``parsers`` directory! Otherwise parser
+"default" will be used, which will just concatenate text and attachments
+into one message!
+
+Also note - that nickname will be ignored while sending message to
+pushers.
+
 ----
 
 # IMPORTANT NOTICE

context/context.go

@@ -20,9 +20,11 @@ package context
 import (
     // stdlib
     "os"
+    "strings"
 
     // local
     "lab.pztrn.name/pztrn/opensaps/config/interface"
+    "lab.pztrn.name/pztrn/opensaps/parsers/interface"
     "lab.pztrn.name/pztrn/opensaps/pushers/interface"
     "lab.pztrn.name/pztrn/opensaps/slack/apiserverinterface"
     "lab.pztrn.name/pztrn/opensaps/slack/message"
@@ -36,11 +38,13 @@ type Context struct {
     Config configurationinterface.ConfigurationInterface
     Flagger *flagger.Flagger
     Log *mogrus.LoggerHandler
+    Parsers map[string]parserinterface.ParserInterface
     Pushers map[string]pusherinterface.PusherInterface
     SlackAPIServer slackapiserverinterface.SlackAPIServerInterface
 }
 
 func (c *Context) Initialize() {
+    c.Parsers = make(map[string]parserinterface.ParserInterface)
     c.Pushers = make(map[string]pusherinterface.PusherInterface)
 
     l := mogrus.New()
@@ -58,6 +62,12 @@ func (c *Context) RegisterConfigurationInterface(ci configurationinterface.Confi
     c.Config.Initialize()
 }
 
+// Registers parser interface.
+func (c *Context) RegisterParserInterface(name string, iface parserinterface.ParserInterface) {
+    c.Parsers[name] = iface
+    c.Parsers[name].Initialize()
+}
+
 // Registers Pusher interface.
 func (c *Context) RegisterPusherInterface(name string, iface pusherinterface.PusherInterface) {
     c.Pushers[name] = iface
@@ -71,6 +81,16 @@ func (c *Context) RegisterSlackAPIServerInterface(sasi slackapiserverinterface.S
     c.SlackAPIServer.Initialize()
 }
 
+func (c *Context) SendToParser(name string, message slackmessage.SlackMessage) string {
+    parser, found := c.Parsers[strings.ToLower(name)]
+    if !found {
+        c.Log.Errorf("Parser '%s' not found, will use default one!", name)
+        return c.Parsers["default"].ParseMessage(message)
+    }
+
+    return parser.ParseMessage(message)
+}
+
 func (c *Context) SendToPusher(protocol string, connection string, data slackmessage.SlackMessage) {
     pusher, ok := c.Pushers[protocol]
     if !ok {

opensaps.go

@@ -26,6 +26,8 @@ import (
     // local
     "lab.pztrn.name/pztrn/opensaps/config"
     "lab.pztrn.name/pztrn/opensaps/context"
+    "lab.pztrn.name/pztrn/opensaps/parsers/default"
+    "lab.pztrn.name/pztrn/opensaps/parsers/gitea"
     "lab.pztrn.name/pztrn/opensaps/pushers/matrix"
     "lab.pztrn.name/pztrn/opensaps/slack"
 )
@@ -44,6 +46,10 @@ func main() {
 
     slack.New(c)
 
+    // Initialize parsers.
+    defaultparser.New(c)
+    giteaparser.New(c)
+
     // Initialize pushers.
     matrixpusher.New(c)
 

parsers/default/defaultparser.go

@@ -0,0 +1,34 @@
+// OpenSAPS - Open Slack API server for everyone.
+//
+// Copyright (c) 2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package defaultparser
+
+import (
+    // local
+    "lab.pztrn.name/pztrn/opensaps/slack/message"
+)
+
+type DefaultParser struct {}
+
+func (dp DefaultParser) Initialize() {
+    c.Log.Infoln("Initializing default parser...")
+}
+
+func (dp DefaultParser) ParseMessage(message slackmessage.SlackMessage) string {
+    c.Log.Debugln("Parsing default message...")
+    return message.Text
+}

parsers/default/exported.go

@@ -0,0 +1,34 @@
+// OpenSAPS - Open Slack API server for everyone.
+//
+// Copyright (c) 2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package defaultparser
+
+import (
+    // local
+    "lab.pztrn.name/pztrn/opensaps/context"
+    "lab.pztrn.name/pztrn/opensaps/parsers/interface"
+)
+
+var (
+    c *context.Context
+)
+
+func New(cc *context.Context) {
+    c = cc
+    dp := DefaultParser{}
+    c.RegisterParserInterface("default", parserinterface.ParserInterface(dp))
+}

parsers/gitea/exported.go

@@ -0,0 +1,34 @@
+// OpenSAPS - Open Slack API server for everyone.
+//
+// Copyright (c) 2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package giteaparser
+
+import (
+    // local
+    "lab.pztrn.name/pztrn/opensaps/context"
+    "lab.pztrn.name/pztrn/opensaps/parsers/interface"
+)
+
+var (
+    c *context.Context
+)
+
+func New(cc *context.Context) {
+    c = cc
+    gp := GiteaParser{}
+    c.RegisterParserInterface("gitea", parserinterface.ParserInterface(gp))
+}

parsers/gitea/giteaparser.go

@@ -0,0 +1,109 @@
+// OpenSAPS - Open Slack API server for everyone.
+//
+// Copyright (c) 2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package giteaparser
+
+import (
+    // stdlib
+    "fmt"
+    "regexp"
+    "strings"
+
+    // local
+    "lab.pztrn.name/pztrn/opensaps/slack/message"
+)
+
+type GiteaParser struct {}
+
+func (gp GiteaParser) Initialize() {
+    c.Log.Infoln("Initializing Gitea parser...")
+}
+
+func (gp GiteaParser) cutCommitLink(data string) [][]string {
+    var links [][]string
+    c.Log.Debugln("Passed:", data)
+
+    r := regexp.MustCompile("(http[?s]://[a-zA-Z1-9./-]+)|([a-zA-Z1-9]+)>")
+
+    found := r.FindAllStringSubmatch(data, -1)
+
+    var result []string
+    for i := range found {
+        if i%2 == 0 {
+            result = make([]string, 0, 2)
+            result = append(result, found[i][1])
+        } else {
+            result = append(result, found[i][2])
+            links = append(links, result)
+        }
+    }
+
+    c.Log.Debugln("Links cutted:", links)
+    return links
+}
+
+func (gp GiteaParser) cutHeaderLinks(data string) [][]string {
+    var links [][]string
+    c.Log.Debugln("Passed:", data)
+
+    r := regexp.MustCompile("<(http[?s]://[a-zA-Z1-9./-]+)|([a-zA-Z1-9_-]+)>")
+
+    found := r.FindAllStringSubmatch(data, -1)
+
+    var result []string
+    for i := range found {
+        if i%2 == 0 {
+            result = make([]string, 0, 2)
+            result = append(result, found[i][1])
+        } else {
+            result = append(result, found[i][2])
+            links = append(links, result)
+        }
+    }
+
+    c.Log.Debugln("Links cutted:", links)
+    return links
+}
+
+func (gp GiteaParser) ParseMessage(message slackmessage.SlackMessage) string {
+    c.Log.Debugln("Parsing Gitea message...")
+
+    var msg string = ""
+
+    // Parse header.
+    // [0] is repo, [1] is branch.
+    header_data := gp.cutHeaderLinks(message.Text)
+
+    msg += fmt.Sprintf("[Repo: <a href='%s'>%s</a> | Branch: <a href='%s'>%s</a>] ", header_data[0][0], header_data[0][1], header_data[1][0], header_data[1][1])
+
+    header_msg := strings.Split(message.Text, "] ")[1]
+    msg += header_msg + "<br />"
+
+    // Parse commits.
+    for i := range message.Attachments {
+        // Commit link.
+        attachment_link := gp.cutCommitLink(message.Attachments[i].Text)
+        msg += fmt.Sprintf("<a href='%s'>%s</a>: ", attachment_link[0][0], attachment_link[0][1])
+        // Commit author and message.
+        authormsg := strings.Split(message.Attachments[i].Text, ">: ")[1]
+        msg += authormsg + "<br />"
+    }
+
+    c.Log.Debugln("Message:", msg)
+
+    return msg
+}

parsers/interface/parserinterface.go

@@ -0,0 +1,28 @@
+// OpenSAPS - Open Slack API server for everyone.
+//
+// Copyright (c) 2017, Stanislav N. aka pztrn.
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package parserinterface
+
+import (
+    // local
+    "lab.pztrn.name/pztrn/opensaps/slack/message"
+)
+
+type ParserInterface interface {
+    Initialize()
+    ParseMessage(message slackmessage.SlackMessage) string
+}

pushers/matrix/matrixconnection.go

@@ -184,9 +184,7 @@ func (mxc *MatrixConnection) Initialize(conn_name string, api_root string, user
 // It will prepare a message which will be passed to mxc.SendMessage().
 func (mxc *MatrixConnection) ProcessMessage(message slackmessage.SlackMessage) {
     // Prepare message body.
-    message_body := message.Text
-
-    // ToDo: attachments handling.
+    message_body := c.SendToParser(message.Username, message)
 
     // Send message.
     mxc.SendMessage(message_body)
@@ -199,7 +197,7 @@ func (mxc *MatrixConnection) SendMessage(message string) {
     // We should send notices as it is preferred behaviour for bots and
     // appservices.
     //msgStr := fmt.Sprintf(`{"msgtype": "m.text", "body": "%s", "format": "org.matrix.custom.html", "formatted_body": "%s"}`, message, message)
-    msgStr := fmt.Sprintf(`{"msgtype": "m.notice", "body": "%s"}`, message)
+    msgStr := fmt.Sprintf(`{"msgtype": "m.notice", "body": "%s", "format": "org.matrix.custom.html", "formatted_body": "%s"}`, message, message)
     reply, err := mxc.doPutRequest("/rooms/" + mxc.room_id + "/send/m.room.message/" + mxc.generateTnxId(), msgStr)
     if err != nil {
         c.Log.Fatalf("Failed to send message to room '%s' (conn: '%s'): %s", mxc.room_id, mxc.conn_name, err.Error())