Initial Commit

12 files changed, 355 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3a7359c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+audiocache
diff --git a/LICENCE b/LICENCE
new file mode 100644
index 0000000..6a1adda
--- /dev/null
+++ b/LICENCE
@@ -0,0 +1,19 @@
+Copyright (c) 2015 Audiocache
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README b/README
new file mode 100644
index 0000000..51ff7f6
--- /dev/null
+++ b/README
@@ -0,0 +1,5 @@
+The Audiocache Golang server software
+
+1. go get github.com/Audiocache/audiocache-server
+2. go build
+3. ./audiocache
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..523ead7
--- /dev/null
+++ b/TODO
@@ -0,0 +1,2 @@
+* Remove things that should be configy to a config file
+* Remove mp3 assumption
diff --git a/cache.go b/cache.go
new file mode 100644
index 0000000..6eed536
--- /dev/null
+++ b/cache.go
@@ -0,0 +1,60 @@
+package main
+
+import (
+	"time"
+)
+
+var FileRoot string = "http://localhost:8080/files/"
+
+type APICache struct {
+	Id        uint64    `json:"id"`
+	Latitude  float64   `json:"latitude"`
+	Longitude float64   `json:"longitude"`
+	Created   time.Time `json:"created"`
+	URI       string    `json:"uri"`
+}
+
+type APICaches []APICache
+
+type DBCache struct {
+	Id        uint64
+	Latitude  float64
+	Longitude float64
+	Created   time.Time
+	Path      string
+}
+
+type DBCaches []DBCache
+
+type PostCache struct {
+	Latitude  float64
+	Longitude float64
+	Data      string
+}
+
+func PathToURI(path string) string {
+	return FileRoot + path
+}
+
+func DBToAPI(db DBCache) APICache {
+	var api APICache
+
+	api.Id = db.Id
+	api.Latitude = db.Latitude
+	api.Longitude = db.Longitude
+	api.Created = db.Created
+	api.URI = PathToURI(db.Path)
+
+	return api
+}
+
+func PostToDB(post PostCache, filename string) DBCache {
+	var db DBCache
+
+	db.Latitude = post.Latitude
+	db.Longitude = post.Longitude
+	db.Created = time.Now()
+	db.Path = filename
+
+	return db
+}
diff --git a/db.go b/db.go
new file mode 100644
index 0000000..a2c1d1e
--- /dev/null
+++ b/db.go
@@ -0,0 +1,55 @@
+package main
+
+import (
+	"github.com/jmoiron/sqlx"
+	_ "github.com/lib/pq"
+)
+
+func getCaches() (DBCaches, error) {
+	var caches DBCaches
+
+	db, err := sqlx.Connect("postgres", "user=audiocache password=audiocache dbname=audiocache sslmode=disable")
+	if err != nil {
+		return caches, err
+	}
+
+	err = db.Select(&caches, "SELECT * FROM caches ORDER BY id ASC")
+	if err != nil {
+		return caches, err
+	}
+
+	err = db.Close()
+	return caches, err
+}
+
+func getCache(id uint64) (DBCache, error) {
+	var cache DBCache
+
+	db, err := sqlx.Connect("postgres", "user=audiocache password=audiocache dbname=audiocache sslmode=disable")
+	if err != nil {
+		return cache, err
+	}
+
+	err = db.Get(&cache, "SELECT * FROM caches WHERE id=$1", id)
+	if err != nil {
+		return cache, err
+	}
+
+	err = db.Close()
+	return cache, err
+}
+
+func postCache(dbcache DBCache) error {
+	db, err := sqlx.Connect("postgres", "user=audiocache password=audiocache dbname=audiocache sslmode=disable")
+	if err != nil {
+		return err
+	}
+
+	_, err = db.NamedExec("INSERT INTO caches (latitude, longitude, created, path) VALUES (:latitude, :longitude, :created, :path)", dbcache)
+	if err != nil {
+		return err
+	}
+
+	err = db.Close()
+	return err
+}
diff --git a/files.go b/files.go
new file mode 100644
index 0000000..f1a3d6c
--- /dev/null
+++ b/files.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+	"encoding/base64"
+	"io/ioutil"
+)
+
+func writeFile(postcache PostCache, filename string) error {
+	data := postcache.Data
+	var binary []byte
+
+	n, err := base64.StdEncoding.Decode(binary, []byte(data))
+	if n == 0 || err != nil {
+		return err
+	}
+
+	err = ioutil.WriteFile("files/"+filename, binary, 0644)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/handlers.go b/handlers.go
new file mode 100644
index 0000000..c0ec657
--- /dev/null
+++ b/handlers.go
@@ -0,0 +1,91 @@
+package main
+
+import (
+	"code.google.com/p/go-uuid/uuid"
+	"encoding/json"
+	"fmt"
+	"github.com/gorilla/mux"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+)
+
+func Index(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintln(w, "Welcome!")
+}
+
+func CacheIndex(w http.ResponseWriter, r *http.Request) {
+	dbcaches, err := getCaches()
+	if err != nil {
+		panic(err)
+	}
+
+	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+	w.WriteHeader(http.StatusOK)
+
+	var apicaches APICaches
+	for db := range dbcaches {
+		apicaches = append(apicaches, DBToAPI(dbcaches[db]))
+	}
+
+	if err := json.NewEncoder(w).Encode(apicaches); err != nil {
+		panic(err)
+	}
+}
+
+func CacheShow(w http.ResponseWriter, r *http.Request) {
+	cacheId, err := strconv.ParseUint(mux.Vars(r)["cacheId"], 10, 64)
+	if err != nil {
+		panic(err)
+	}
+
+	cache, err := getCache(cacheId)
+	if err != nil {
+		panic(err)
+	}
+
+	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+	w.WriteHeader(http.StatusOK)
+
+	if err := json.NewEncoder(w).Encode(DBToAPI(cache)); err != nil {
+		panic(err)
+	}
+}
+
+func CacheCreate(w http.ResponseWriter, r *http.Request) {
+	var postcache PostCache
+
+	body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1048576))
+	if err != nil {
+		panic(err)
+	}
+	if err := r.Body.Close(); err != nil {
+		panic(err)
+	}
+	if err := json.Unmarshal(body, &postcache); err != nil {
+		w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+		w.WriteHeader(422) // unprocessable entity
+		if err := json.NewEncoder(w).Encode(err); err != nil {
+			panic(err)
+		}
+	}
+
+	filename := uuid.New() + ".mp3"
+	dbcache := PostToDB(postcache, filename)
+
+	err = postCache(dbcache)
+	if err != nil {
+		panic(err)
+	}
+
+	err = writeFile(postcache, filename)
+	if err != nil {
+		panic(err)
+	}
+
+	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+	w.WriteHeader(http.StatusCreated)
+
+	fmt.Fprintln(w, "OK")
+}
diff --git a/logger.go b/logger.go
new file mode 100644
index 0000000..3f002e3
--- /dev/null
+++ b/logger.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"time"
+)
+
+func Logger(inner http.Handler, name string) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+
+		inner.ServeHTTP(w, r)
+
+		log.Printf(
+			"%s\t%s\t%s\t%s",
+			r.Method,
+			r.RequestURI,
+			name,
+			time.Since(start),
+		)
+	})
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..3fcb722
--- /dev/null
+++ b/main.go
@@ -0,0 +1,13 @@
+package main
+
+import (
+	"log"
+	"net/http"
+)
+
+func main() {
+
+	router := NewRouter()
+
+	log.Fatal(http.ListenAndServe(":8080", router))
+}
diff --git a/router.go b/router.go
new file mode 100644
index 0000000..32caba3
--- /dev/null
+++ b/router.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func NewRouter() *mux.Router {
+	router := mux.NewRouter().StrictSlash(true)
+	for _, route := range routes {
+		var handler http.Handler
+		handler = route.HandlerFunc
+		handler = Logger(handler, route.Name)
+
+		router.
+			Methods(route.Method).
+			Path(route.Pattern).
+			Name(route.Name).
+			Handler(handler)
+
+	}
+	return router
+}
diff --git a/routes.go b/routes.go
new file mode 100644
index 0000000..830b0d0
--- /dev/null
+++ b/routes.go
@@ -0,0 +1,39 @@
+package main
+
+import "net/http"
+
+type Route struct {
+	Name        string
+	Method      string
+	Pattern     string
+	HandlerFunc http.HandlerFunc
+}
+
+type Routes []Route
+
+var routes = Routes{
+	Route{
+		"Index",
+		"GET",
+		"/",
+		Index,
+	},
+	Route{
+		"CacheIndex",
+		"GET",
+		"/caches",
+		CacheIndex,
+	},
+	Route{
+		"CacheShow",
+		"GET",
+		"/caches/{cacheId}",
+		CacheShow,
+	},
+	Route{
+		"CacheCreate",
+		"POST",
+		"/caches",
+		CacheCreate,
+	},
+}