bid: Add a skeleton of an n-gate bidding game

* webshit module will house any logic needed for the game
* newsbid is the top-level plugin to be used for the bot interface

go.mod

@@ -1,7 +1,8 @@
 module github.com/velour/catbase
 
 require (
-	github.com/PuerkitoBio/goquery v1.5.0 // indirect
+	github.com/PaulRosset/go-hacknews v0.0.0-20170815075127-4aad99273a3c
+	github.com/PuerkitoBio/goquery v1.5.0
 	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/chrissexton/leftpad v0.0.0-20181207133115-1e93189d2fff
 	github.com/go-sql-driver/mysql v1.4.1 // indirect
@@ -26,7 +27,7 @@ require (
 	github.com/velour/chat v0.0.0-20180713122344-fd1d1606cb89
 	github.com/velour/velour v0.0.0-20160303155839-8e090e68d158
 	golang.org/x/exp v0.0.0-20190321205749-f0864edee7f3 // indirect
-	golang.org/x/net v0.0.0-20190326090315-15845e8f865b // indirect
+	golang.org/x/net v0.0.0-20190606173856-1492cefac77f // indirect
 	gonum.org/v1/gonum v0.0.0-20190325211145-e42c1265cdd5 // indirect
 	google.golang.org/appengine v1.4.0 // indirect
 	gopkg.in/sourcemap.v1 v1.0.5 // indirect

go.sum

@@ -1,6 +1,8 @@
 github.com/AlekSi/pointer v1.0.0 h1:KWCWzsvFxNLcmM5XmiqHsGTTsuwZMsLFwWF9Y+//bNE=
 github.com/AlekSi/pointer v1.0.0/go.mod h1:1kjywbfcPFCmncIxtk6fIEub6LKrfMz3gc5QKVOSOA8=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/PaulRosset/go-hacknews v0.0.0-20170815075127-4aad99273a3c h1:bJ0HbTMaInVjakxM76G+2gsmbKTdHzpTUGyLGYxdMO0=
+github.com/PaulRosset/go-hacknews v0.0.0-20170815075127-4aad99273a3c/go.mod h1:8+24kIp7vJsYy0GmQDDNnPwAYEWkl3OcaPxJSDAfe1U=
 github.com/PuerkitoBio/goquery v1.5.0 h1:uGvmFXOA73IKluu/F84Xd1tt/z07GYm8X49XKHP7EJk=
 github.com/PuerkitoBio/goquery v1.5.0/go.mod h1:qD2PgZ9lccMbQlc7eEOjaeRlFQON7xY8kdmcsrnKqMg=
 github.com/andybalholm/cascadia v1.0.0 h1:hOCXnnZ5A+3eVDX8pvgl4kofXv2ELss0bKcqRySc45o=
@@ -74,8 +76,8 @@ golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190326090315-15845e8f865b h1:LlDMQZ0I/u8J45sbt31TecpsFNErRGwDgS4WvT9hKzE=
+golang.org/x/net v0.0.0-20190606173856-1492cefac77f h1:IWHgpgFqnL5AhBUBZSgBdjl2vkQUEzcY+JNKWfcgAU0=
-golang.org/x/net v0.0.0-20190326090315-15845e8f865b/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190606173856-1492cefac77f/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=

plugins/newsbid/newsbid.go

@@ -0,0 +1,25 @@
+package newsbid
+
+import (
+	"github.com/jmoiron/sqlx"
+	"github.com/velour/catbase/bot"
+	"github.com/velour/catbase/bot/msg"
+)
+
+type NewsBid struct {
+	bot bot.Bot
+	db  *sqlx.DB
+}
+
+func New(b bot.Bot) *NewsBid {
+	p := &NewsBid{
+		bot: b,
+		db:  b.DB(),
+	}
+	p.bot.Register(p, bot.Message, p.message)
+	return p
+}
+
+func (p *NewsBid) message(conn bot.Connector, k bot.Kind, message msg.Message, args ...interface{}) bool {
+	return false
+}

plugins/newsbid/webshit/webshit.go

@@ -0,0 +1,76 @@
+package webshit
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/PaulRosset/go-hacknews"
+	"github.com/PuerkitoBio/goquery"
+	"github.com/jmoiron/sqlx"
+	"github.com/mmcdole/gofeed"
+	"net/url"
+)
+
+type Webshit struct {
+	db *sqlx.DB
+}
+
+func New(db *sqlx.DB) *Webshit {
+	w := &Webshit{db}
+	w.setup()
+	return w
+}
+
+// setup will create any necessary SQL tables and populate them with minimal data
+func (w *Webshit) setup() {
+}
+
+// GetHeadlines will return the current possible news headlines for bidding
+func (w *Webshit) GetHeadlines() ([]hacknews.Post, error) {
+	news := hacknews.Initializer{Story: "topstories", NbPosts: 10}
+	ids, err := news.GetCodesStory()
+	if err != nil {
+		return nil, err
+	}
+	posts, err := news.GetPostStory(ids)
+	if err != nil {
+		return nil, err
+	}
+	return posts, nil
+}
+
+type Weekly []string
+
+// GetWeekly will return the headlines in the last webshit weekly report
+func (w *Webshit) GetWeekly() (Weekly, error) {
+	fp := gofeed.NewParser()
+	feed, err := fp.ParseURL("http://n-gate.com/hackernews/index.rss")
+	if err != nil {
+		return nil, err
+	}
+	if len(feed.Items) <= 0 {
+		return nil, fmt.Errorf("no webshit weekly found")
+	}
+
+	buf := bytes.NewBufferString(feed.Items[0].Description)
+	doc, err := goquery.NewDocumentFromReader(buf)
+	if err != nil {
+		return nil, err
+	}
+
+	var items []string
+	doc.Find(".storylink").Each(func(i int, s *goquery.Selection) {
+		items = append(items, s.Find("a").Text())
+	})
+
+	return items, nil
+}
+
+// GetBalances returns the current balance for all known users
+// Any unknown user has a default balance on their first bid
+func (w *Webshit) GetBalances() {
+}
+
+// Bid allows a user to place a bid on a particular story
+func (w *Webshit) Bid(user string, amount int, URL url.URL) error {
+	return nil
+}

plugins/newsbid/webshit/webshit_test.go

@@ -0,0 +1,30 @@
+package webshit
+
+import (
+	"github.com/jmoiron/sqlx"
+	"testing"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func make(t *testing.T) *Webshit {
+	db := sqlx.MustOpen("sqlite3", "file::memory:?mode=memory&cache=shared")
+	w := New(db)
+	if w.db != db {
+		t.Fail()
+	}
+	return w
+}
+
+func TestWebshit_GetWeekly(t *testing.T) {
+	w := make(t)
+	weekly, err := w.GetWeekly()
+	if err != nil {
+		t.Errorf("Could not get weekly: %s", err)
+		t.Fail()
+	}
+	if len(weekly) < 5 {
+		t.Errorf("Weekly content:\n%+v", weekly)
+		t.Fail()
+	}
+}