alex/restaurant-search
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Cleanup

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This commit is contained in:
Alex Yatskov 2015-08-23 21:22:29 +09:00
parent c580e44f1a
commit 9202bcc59d
1 changed files with 48 additions and 30 deletions
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78
server.go
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@ -81,7 +81,7 @@ func prepareColumn(steps int, minScore float64, allEntries, matchedEntries []rec
}
}
func executeQuery(rw http.ResponseWriter, req *http.Request) {
func handleExecuteQuery(rw http.ResponseWriter, req *http.Request) {
startTime := time.Now()
var (
@ -157,17 +157,19 @@ func executeQuery(rw http.ResponseWriter, req *http.Request) {
js, err := json.Marshal(response)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Write(js)
}
func getCategories(rw http.ResponseWriter, req *http.Request) {
func handleGetCategories(rw http.ResponseWriter, req *http.Request) {
categoryRows, err := db.Query("SELECT description, id FROM categories")
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
defer categoryRows.Close()
@ -184,26 +186,29 @@ func getCategories(rw http.ResponseWriter, req *http.Request) {
)
if err := categoryRows.Scan(&description, &id); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
response = append(response, category{description, id})
}
if err := categoryRows.Err(); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
js, err := json.Marshal(response)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Write(js)
}
func addCategory(rw http.ResponseWriter, req *http.Request) {
func handleAddCategory(rw http.ResponseWriter, req *http.Request) {
var (
request struct {
Description string `json:"description"`
@ -226,17 +231,20 @@ func addCategory(rw http.ResponseWriter, req *http.Request) {
if len(response.Description) > 0 {
result, err := db.Exec("INSERT INTO categories(description) VALUES(?)", request.Description)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
insertId, err := result.LastInsertId()
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
affectedRows, err := result.RowsAffected()
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
response.Success = affectedRows > 0
@ -245,14 +253,15 @@ func addCategory(rw http.ResponseWriter, req *http.Request) {
js, err := json.Marshal(response)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Write(js)
}
func removeCategory(rw http.ResponseWriter, req *http.Request) {
func handleRemoveCategory(rw http.ResponseWriter, req *http.Request) {
var (
request struct {
Id int `json:"id"`
@ -274,14 +283,15 @@ func removeCategory(rw http.ResponseWriter, req *http.Request) {
js, err := json.Marshal(response)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Write(js)
}
func accessReview(rw http.ResponseWriter, req *http.Request) {
func handleAccessReview(rw http.ResponseWriter, req *http.Request) {
var request struct {
Id int `json:"id"`
Profile map[string]float64 `json:"profile"`
@ -294,12 +304,14 @@ func accessReview(rw http.ResponseWriter, req *http.Request) {
reviewsResult, err := db.Exec("UPDATE reviews SET accessCount = accessCount + 1 WHERE id = (?)", request.Id)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rowsAffected, err := reviewsResult.RowsAffected()
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
if rowsAffected == 0 || len(request.Profile) == 0 {
@ -308,12 +320,14 @@ func accessReview(rw http.ResponseWriter, req *http.Request) {
historyResult, err := db.Exec("INSERT INTO history(date, reviewId) VALUES(NOW(), ?)", request.Id)
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
insertId, err := historyResult.LastInsertId()
if err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
for id, value := range request.Profile {
@ -321,7 +335,8 @@ func accessReview(rw http.ResponseWriter, req *http.Request) {
var catExists int
if err := catRow.Scan(&catExists); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
if catExists == 0 {
@ -329,18 +344,21 @@ func accessReview(rw http.ResponseWriter, req *http.Request) {
}
if _, err := db.Exec("INSERT INTO historyGroups(categoryId, categoryValue, historyId) VALUES(?, ?, ?)", id, value, insertId); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
}
}
func clearHistory(rw http.ResponseWriter, req *http.Request) {
func handleClearHistory(rw http.ResponseWriter, req *http.Request) {
if _, err := db.Exec("DELETE FROM historyGroups"); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
if _, err := db.Exec("DELETE FROM history"); err != nil {
log.Fatal(err)
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "text/plain")
@ -378,12 +396,12 @@ func main() {
}()
}
http.HandleFunc("/query", executeQuery)
http.HandleFunc("/categories", getCategories)
http.HandleFunc("/learn", addCategory)
http.HandleFunc("/forget", removeCategory)
http.HandleFunc("/access", accessReview)
http.HandleFunc("/clear", clearHistory)
http.HandleFunc("/query", handleExecuteQuery)
http.HandleFunc("/categories", handleGetCategories)
http.HandleFunc("/learn", handleAddCategory)
http.HandleFunc("/forget", handleRemoveCategory)
http.HandleFunc("/access", handleAccessReview)
http.HandleFunc("/clear", handleClearHistory)
http.Handle("/", http.FileServer(http.Dir(*staticDir)))
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *portNum), nil))