├── .gitignore
├── .godir
├── Dockerfile
├── Dockerrun.aws.json
├── Procfile
├── environment.sh
├── readme.md
├── server.go
└── templates
├── display.tmpl
├── layout.tmpl
└── list.tmpl
/.gitignore:
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1 | gin-bin
2 | .DS_Store
3 |
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/.godir:
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1 | github.com/topcoderinc/cribs
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/Dockerfile:
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1 | FROM google/golang
2 |
3 | WORKDIR /gopath/src/github.com/topcoderinc/cribs
4 | ADD . /gopath/src/github.com/topcoderinc/cribs/
5 |
6 | # go get all of the dependencies
7 | RUN go get github.com/codegangsta/martini
8 | RUN go get github.com/codegangsta/martini-contrib/render
9 | RUN go get github.com/codegangsta/martini-contrib/binding
10 | RUN go get labix.org/v2/mgo
11 | RUN go get labix.org/v2/mgo/bson
12 |
13 | RUN go get github.com/topcoderinc/cribs
14 |
15 | # set env variables to mongo
16 | ENV MONGO_DB YOUR-MONGO-DB
17 | ENV MONGO_URL YOUR-MONGO-URL
18 |
19 | EXPOSE 8080
20 | CMD []
21 | ENTRYPOINT ["/gopath/bin/cribs"]
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/Dockerrun.aws.json:
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1 | {
2 | "AWSEBDockerrunVersion": "1",
3 | "Ports": [
4 | {
5 | "ContainerPort": "8080"
6 | }
7 | ]
8 | }
9 |
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/Procfile:
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1 | web: cribs -port=$PORT
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/environment.sh:
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1 | #!/bin/bash
2 |
3 | export MONGO_URL='mongodb://localhost'
4 | export MONGO_DB='local'
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/readme.md:
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1 | # Topcoder Cribs
2 |
3 | A simple Go web app written with Martini and MongoDB that maintains links to images and videos for topcoder member cribs!
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/server.go:
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1 | package main
2 |
3 | import (
4 | "os"
5 | "net/http"
6 | "github.com/codegangsta/martini"
7 | "github.com/codegangsta/martini-contrib/render"
8 | "github.com/codegangsta/martini-contrib/binding"
9 | "labix.org/v2/mgo"
10 | "labix.org/v2/mgo/bson"
11 | )
12 |
13 | // the Crib struct that we can serialize and deserialize into Mongodb
14 | type Crib struct {
15 | Handle string `form:"handle"`
16 | URL string `form:"url"`
17 | Type string `form:"type"`
18 | Description string `form:"description"`
19 | }
20 |
21 | /*
22 | the function returns a martini.Handler which is called on each request. We simply clone
23 | the session for each request and close it when the request is complete. The call to c.Map
24 | maps an instance of *mgo.Database to the request context. Then *mgo.Database
25 | is injected into each handler function.
26 | */
27 | func DB() martini.Handler {
28 | session, err := mgo.Dial(os.Getenv("MONGO_URL")) // mongodb://localhost
29 | if err != nil {
30 | panic(err)
31 | }
32 |
33 | return func(c martini.Context) {
34 | s := session.Clone()
35 | c.Map(s.DB(os.Getenv("MONGO_DB"))) // local
36 | defer s.Close()
37 | c.Next()
38 | }
39 | }
40 |
41 | // function to return an array of all Cribs from mondodb
42 | func All(db *mgo.Database) []Crib {
43 | var cribs []Crib
44 | db.C("cribs").Find(nil).All(&cribs)
45 | return cribs
46 | }
47 |
48 | // function to return a specific Crib by handle
49 | func Fetch(db *mgo.Database, handle string) Crib {
50 | var crib Crib
51 | db.C("cribs").Find(bson.M{"handle": handle}).One(&crib)
52 | return crib
53 | }
54 |
55 | func main() {
56 |
57 | m := martini.Classic()
58 | // specify the layout to use when rendering HTML
59 | m.Use(render.Renderer(render.Options {
60 | Layout: "layout",
61 | }))
62 | // use the Mongo middleware
63 | m.Use(DB())
64 |
65 | // list of all cribs
66 | m.Get("/", func(r render.Render, db *mgo.Database) {
67 | r.HTML(200, "list", All(db))
68 | })
69 |
70 | /*
71 | create a new crib the form submission. Contains some martini magic. The call
72 | to binding.Form(Crib{}) parses out form data when the request comes in.
73 | It binds the data to the struct, maps it to the request context and
74 | injects into our next handler function to insert into Mongodb.
75 | */
76 | m.Post("/", binding.Form(Crib{}), func(crib Crib, r render.Render, db *mgo.Database) {
77 | db.C("cribs").Insert(crib)
78 | r.HTML(200, "list", All(db))
79 | })
80 |
81 | // display the crib for a specific user
82 | m.Get("/:handle", func(params martini.Params, r render.Render, db *mgo.Database) {
83 | r.HTML(200, "display", Fetch(db, params["handle"]))
84 | })
85 |
86 | http.ListenAndServe(":8080", m)
87 |
88 | }
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/templates/display.tmpl:
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1 | {{.Handle}}'s Crib
2 |
3 | {{ if eq .Type "Youtube" }}
4 |
5 | {{ else if eq .Type "Vimeo" }}
6 |
7 | {{ else }}
8 | 
9 | {{end}}
10 |
11 | {{ .Description }}
12 |
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/templates/layout.tmpl:
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1 |
2 |
3 |
4 |
5 |
6 | Topcoder Cribs
7 |
8 |
9 |
10 |
11 | Topcoder Cribs!
12 | {{ yield }}
13 |
14 |
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/templates/list.tmpl:
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1 | Members' Cribs
2 |
7 |
8 |
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