Im Grunde nach MVC umstrukturiert und Funktionen in Handlers, die eine Session als Parameter erhalten haben zu Sessionmethoden umgewandelt

This commit is contained in:
Jason Streifling 2023-10-28 08:49:28 +02:00
parent 5049db064c
commit c7bb630043
7 changed files with 185 additions and 196 deletions

43
main.go
View File

@ -6,25 +6,24 @@ import (
"log" "log"
"net/http" "net/http"
"streifling.com/jason/sicherheitsunterweisung/packages/db" "streifling.com/jason/sicherheitsunterweisung/packages/data"
"streifling.com/jason/sicherheitsunterweisung/packages/server" "streifling.com/jason/sicherheitsunterweisung/packages/session"
"streifling.com/jason/sicherheitsunterweisung/packages/types"
) )
func handleParticipants(mux *http.ServeMux, db *db.DB, cp <-chan *types.Participant, s *types.Session) { func handleParticipants(mux *http.ServeMux, db *data.DB, cp <-chan *data.Participant, s *session.Session) {
for participant := range cp { for participant := range cp {
mux.HandleFunc("/submit-participant/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/", server.HandleParticipant(s, participant, &s.Questions, db)) mux.HandleFunc("/submit-participant/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/", s.HandleParticipant(participant, &s.Questions, db))
for i := range s.Questions { for i := range s.Questions {
mux.HandleFunc("/submit-answer/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/"+fmt.Sprint(i+1)+"/", server.HandleAnswer(s, db, participant, &s.Questions, int64(i+1))) mux.HandleFunc("/submit-answer/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/"+fmt.Sprint(i+1)+"/", s.HandleAnswer(db, participant, &s.Questions, int64(i+1)))
} }
mux.HandleFunc("/retry/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/", server.HandleRetry(s, participant, &s.Questions)) mux.HandleFunc("/retry/"+fmt.Sprint(s.ID)+"/"+fmt.Sprint(participant.Login)+"/", s.HandleRetry(participant, &s.Questions))
} }
} }
func handleSessions(mux *http.ServeMux, db *db.DB, cs <-chan *types.Session, ss *[]*types.Session) { func handleSessions(mux *http.ServeMux, db *data.DB, cs <-chan *session.Session, ss *[]*session.Session) {
for session := range cs { for s := range cs {
(*ss) = append(*ss, session) (*ss) = append(*ss, s)
participantChan := make(chan *types.Participant) participantChan := make(chan *data.Participant)
questionIDs := make([]string, 4) questionIDs := make([]string, 4)
for i := 0; i < len(questionIDs); i++ { for i := 0; i < len(questionIDs); i++ {
@ -32,36 +31,36 @@ func handleSessions(mux *http.ServeMux, db *db.DB, cs <-chan *types.Session, ss
} }
var err error var err error
session.Questions, err = db.GetQuestions(questionIDs) s.Questions, err = db.GetQuestions(questionIDs)
if err != nil { if err != nil {
log.Fatalln(err) log.Fatalln(err)
} }
mux.HandleFunc("/new-briefing/", server.HandleNewBriefing(session)) mux.HandleFunc("/new-briefing/", s.HandleNewBriefing())
mux.HandleFunc("/new-participant/"+fmt.Sprint(session.ID)+"/", server.HandleNewParticipant(session, participantChan)) mux.HandleFunc("/new-participant/"+fmt.Sprint(s.ID)+"/", s.HandleNewParticipant(participantChan))
mux.HandleFunc("/submit-form/"+fmt.Sprint(session.ID)+"/", server.HandleBriefingForm(session, db)) mux.HandleFunc("/submit-form/"+fmt.Sprint(s.ID)+"/", s.HandleBriefingForm(db))
go handleParticipants(mux, db, participantChan, session) go handleParticipants(mux, db, participantChan, s)
} }
} }
func main() { func main() {
db, err := db.Open("sicherheitsunterweisung") db, err := data.OpenDB("sicherheitsunterweisung")
if err != nil { if err != nil {
log.Fatalln(err) log.Fatalln(err)
} }
mux := http.NewServeMux() mux := http.NewServeMux()
sessions := make([]*types.Session, 0) sessions := make([]*session.Session, 0)
sessionChan := make(chan *types.Session) sessionChan := make(chan *session.Session)
mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static/")))) mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
template.Must(template.ParseFiles("templates/index.html", "templates/login.html")).Execute(w, nil) template.Must(template.ParseFiles("templates/index.html", "templates/login.html")).Execute(w, nil)
}) })
mux.HandleFunc("/internal-login/", server.HandleInternalLogin(&sessions, sessionChan, db)) mux.HandleFunc("/internal-login/", session.HandleInternalLogin(&sessions, sessionChan, db))
mux.HandleFunc("/external-login/", server.HandleExternalLogin(&sessions)) mux.HandleFunc("/external-login/", session.HandleExternalLogin(&sessions))
mux.HandleFunc("/search/", server.HandleSearch(db)) mux.HandleFunc("/search/", session.HandleSearch(db))
go handleSessions(mux, db, sessionChan, &sessions) go handleSessions(mux, db, sessionChan, &sessions)

View File

@ -1,4 +1,4 @@
package db package data
import ( import (
"bufio" "bufio"
@ -10,7 +10,6 @@ import (
"github.com/go-sql-driver/mysql" "github.com/go-sql-driver/mysql"
"golang.org/x/term" "golang.org/x/term"
"streifling.com/jason/sicherheitsunterweisung/packages/types"
) )
type DB struct { type DB struct {
@ -59,7 +58,7 @@ func getCredentials() (string, string, error) {
return user, pass, nil return user, pass, nil
} }
func Open(dbName string) (*DB, error) { func OpenDB(dbName string) (*DB, error) {
var err error var err error
db := new(DB) db := new(DB)
@ -82,7 +81,7 @@ func Open(dbName string) (*DB, error) {
return db, nil return db, nil
} }
func (db *DB) WriteBriefing(b *types.Briefing) error { func (db *DB) WriteBriefing(b *Briefing) error {
result, err := db.Exec(` result, err := db.Exec(`
INSERT INTO briefings INSERT INTO briefings
(date, time, location, document_name, as_of, instructor_id) (date, time, location, document_name, as_of, instructor_id)
@ -101,7 +100,7 @@ func (db *DB) WriteBriefing(b *types.Briefing) error {
return nil return nil
} }
func (db *DB) WriteParticipant(p *types.Participant) error { func (db *DB) WriteParticipant(p *Participant) error {
result, err := db.Exec(` result, err := db.Exec(`
INSERT INTO participants INSERT INTO participants
(first_name, last_name, company) (first_name, last_name, company)
@ -120,7 +119,7 @@ func (db *DB) WriteParticipant(p *types.Participant) error {
return nil return nil
} }
func (db *DB) WriteGivenAnswer(b *types.Briefing, p *types.Participant, q *types.Question, g int) error { func (db *DB) WriteGivenAnswer(b *Briefing, p *Participant, q *Question, g int) error {
_, err := db.Exec(` _, err := db.Exec(`
INSERT INTO given_answers INSERT INTO given_answers
(briefing_id, participant_id, question_id, given_answer) (briefing_id, participant_id, question_id, given_answer)
@ -134,7 +133,7 @@ func (db *DB) WriteGivenAnswer(b *types.Briefing, p *types.Participant, q *types
return nil return nil
} }
func (db *DB) WriteAllDataOfBriefing(b *types.Briefing, sp *[]*types.Participant, sq *[]*types.Question, sg *[]*types.GivenAnswer) error { func (db *DB) WriteAllDataOfBriefing(b *Briefing, sp *[]*Participant, sq *[]*Question, sg *[]*GivenAnswer) error {
if err := db.WriteBriefing(b); err != nil { if err := db.WriteBriefing(b); err != nil {
return fmt.Errorf("*DB.WriteAllDataOfBriefing: db.writeBriefing(): %v\n", err) return fmt.Errorf("*DB.WriteAllDataOfBriefing: db.writeBriefing(): %v\n", err)
} }
@ -154,7 +153,7 @@ func (db *DB) WriteAllDataOfBriefing(b *types.Briefing, sp *[]*types.Participant
return nil return nil
} }
func (db *DB) GetAllOverviewTableData() ([]*types.OverviewTableData, error) { func (db *DB) GetAllOverviewTableData() ([]*OverviewTableData, error) {
rows, err := db.Query(` rows, err := db.Query(`
SELECT SELECT
i.first_name, i.first_name,
@ -187,9 +186,9 @@ func (db *DB) GetAllOverviewTableData() ([]*types.OverviewTableData, error) {
} }
defer rows.Close() defer rows.Close()
data := make([]*types.OverviewTableData, 0) data := make([]*OverviewTableData, 0)
for rows.Next() { for rows.Next() {
otd := new(types.OverviewTableData) otd := new(OverviewTableData)
err := rows.Scan( err := rows.Scan(
&otd.InstructorFirstName, &otd.InstructorFirstName,
@ -213,7 +212,7 @@ func (db *DB) GetAllOverviewTableData() ([]*types.OverviewTableData, error) {
return data, nil return data, nil
} }
func (db *DB) GetOverviewTableDataByName(n string) (*[]*types.OverviewTableData, error) { func (db *DB) GetOverviewTableDataByName(n string) (*[]*OverviewTableData, error) {
rows, err := db.Query(` rows, err := db.Query(`
SELECT SELECT
i.first_name, i.first_name,
@ -248,9 +247,9 @@ func (db *DB) GetOverviewTableDataByName(n string) (*[]*types.OverviewTableData,
} }
defer rows.Close() defer rows.Close()
data := make([]*types.OverviewTableData, 0) data := make([]*OverviewTableData, 0)
for rows.Next() { for rows.Next() {
otd := new(types.OverviewTableData) otd := new(OverviewTableData)
err := rows.Scan( err := rows.Scan(
&otd.InstructorFirstName, &otd.InstructorFirstName,
@ -291,7 +290,7 @@ func (db *DB) GetLastID(table string) (int, error) {
return id, nil return id, nil
} }
func (db *DB) GetInstructors() ([]*types.Instructor, error) { func (db *DB) GetInstructors() ([]*Instructor, error) {
rows, err := db.Query(` rows, err := db.Query(`
SELECT * SELECT *
FROM instructors FROM instructors
@ -304,9 +303,9 @@ func (db *DB) GetInstructors() ([]*types.Instructor, error) {
} }
defer rows.Close() defer rows.Close()
instructors := make([]*types.Instructor, 0) instructors := make([]*Instructor, 0)
for rows.Next() { for rows.Next() {
instructor := new(types.Instructor) instructor := new(Instructor)
if err = rows.Scan(&instructor.ID, &instructor.FirstName, &instructor.LastName); err != nil { if err = rows.Scan(&instructor.ID, &instructor.FirstName, &instructor.LastName); err != nil {
return nil, fmt.Errorf("*DB.GetInstructors: rows.Scan(): %v\n", err) return nil, fmt.Errorf("*DB.GetInstructors: rows.Scan(): %v\n", err)
} }
@ -316,7 +315,7 @@ func (db *DB) GetInstructors() ([]*types.Instructor, error) {
return instructors, nil return instructors, nil
} }
func (db *DB) GetQuestions(nums []string) ([]types.Question, error) { func (db *DB) GetQuestions(nums []string) ([]Question, error) {
rows, err := db.Query(` rows, err := db.Query(`
SELECT * SELECT *
FROM questions FROM questions
@ -327,13 +326,13 @@ func (db *DB) GetQuestions(nums []string) ([]types.Question, error) {
} }
defer rows.Close() defer rows.Close()
questions := make([]types.Question, 0) questions := make([]Question, 0)
for rows.Next() { for rows.Next() {
q := new(types.Question) q := new(Question)
a1 := new(types.Answer) a1 := new(Answer)
a2 := new(types.Answer) a2 := new(Answer)
a3 := new(types.Answer) a3 := new(Answer)
a4 := new(types.Answer) a4 := new(Answer)
a1.ID = 1 a1.ID = 1
a2.ID = 2 a2.ID = 2
@ -355,7 +354,7 @@ func (db *DB) GetQuestions(nums []string) ([]types.Question, error) {
return questions, nil return questions, nil
} }
func (db *DB) GetGivenAnswers(bid, pid int64, sq []types.Question) ([]int, error) { func (db *DB) GetGivenAnswers(bid, pid int64, sq []Question) ([]int, error) {
answers := make([]int, 0) answers := make([]int, 0)
query := ` query := `
SELECT given_answer SELECT given_answer

View File

@ -1,6 +1,4 @@
package types package data
import "github.com/google/uuid"
type Person struct { type Person struct {
ID int64 ID int64
@ -57,10 +55,3 @@ type OverviewTableData struct {
ParticipantLastName string ParticipantLastName string
ParticipantCompany string ParticipantCompany string
} }
type Session struct {
ID uuid.UUID
*Briefing
Participants []*Participant
Questions []Question
}

View File

@ -1,29 +1,17 @@
package server package session
import ( import (
"crypto/rand"
"encoding/hex"
"fmt" "fmt"
"html/template" "html/template"
"log" "log"
"net/http" "net/http"
"strconv"
"time" "time"
"github.com/google/uuid" "github.com/google/uuid"
"streifling.com/jason/sicherheitsunterweisung/packages/db" "streifling.com/jason/sicherheitsunterweisung/packages/data"
"streifling.com/jason/sicherheitsunterweisung/packages/types"
) )
func displayTable(w http.ResponseWriter, db *db.DB) { func HandleInternalLogin(ss *[]*Session, cs chan<- *Session, db *data.DB) http.HandlerFunc {
bs, err := db.GetAllOverviewTableData()
if err != nil {
http.Error(w, "displayTable: *DB.GetAllOverviewTableData(): "+fmt.Sprint(err), http.StatusInternalServerError)
}
template.Must(template.ParseFiles("templates/table.html")).ExecuteTemplate(w, "content", bs)
}
func HandleInternalLogin(ss *[]*types.Session, cs chan<- *types.Session, db *db.DB) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
instructors, err := db.GetInstructors() instructors, err := db.GetInstructors()
if err != nil { if err != nil {
@ -33,9 +21,9 @@ func HandleInternalLogin(ss *[]*types.Session, cs chan<- *types.Session, db *db.
for _, i := range instructors { for _, i := range instructors {
if r.PostFormValue("login") == fmt.Sprint(i.ID) { if r.PostFormValue("login") == fmt.Sprint(i.ID) {
session := new(types.Session) session := new(Session)
session.ID = uuid.New() session.ID = uuid.New()
session.Briefing = new(types.Briefing) session.Briefing = new(data.Briefing)
session.Briefing.InstructorID = i.ID session.Briefing.InstructorID = i.ID
(*ss) = append((*ss), session) (*ss) = append((*ss), session)
cs <- session cs <- session
@ -48,7 +36,7 @@ func HandleInternalLogin(ss *[]*types.Session, cs chan<- *types.Session, db *db.
} }
} }
func HandleSearch(db *db.DB) http.HandlerFunc { func HandleSearch(db *data.DB) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
bs, err := db.GetOverviewTableDataByName(r.PostFormValue("search")) bs, err := db.GetOverviewTableDataByName(r.PostFormValue("search"))
if err != nil { if err != nil {
@ -58,40 +46,18 @@ func HandleSearch(db *db.DB) http.HandlerFunc {
} }
} }
func HandleNewBriefing(s *types.Session) http.HandlerFunc { func (s *Session) HandleNewBriefing() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
type httpData struct { data := new(briefingHTMLData)
SessionID uuid.UUID
}
data := new(httpData)
data.SessionID = s.ID data.SessionID = s.ID
template.Must(template.ParseFiles("templates/briefing.html")).ExecuteTemplate(w, "content", data) template.Must(template.ParseFiles("templates/briefing.html")).ExecuteTemplate(w, "content", data)
} }
} }
func generateLogin() (string, error) { func (s *Session) HandleNewParticipant(cp chan<- *data.Participant) http.HandlerFunc {
bs := make([]byte, 4)
if _, err := rand.Read(bs); err != nil {
return "", fmt.Errorf("generateLogin: rand.Read(bs): %v\n", err)
}
return hex.EncodeToString(bs), nil
}
func HandleNewParticipant(s *types.Session, cp chan<- *types.Participant) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
type httpData struct {
SessionID uuid.UUID
Login string
}
data := new(httpData)
var err error var err error
p := new(data.Participant)
p := new(types.Participant)
p.Login, err = generateLogin() p.Login, err = generateLogin()
if err != nil { if err != nil {
http.Error(w, "AddParticipant: generateLogin(): "+fmt.Sprint(err), http.StatusInternalServerError) http.Error(w, "AddParticipant: generateLogin(): "+fmt.Sprint(err), http.StatusInternalServerError)
@ -99,6 +65,7 @@ func HandleNewParticipant(s *types.Session, cp chan<- *types.Participant) http.H
s.Participants = append(s.Participants, p) s.Participants = append(s.Participants, p)
cp <- p cp <- p
data := new(briefingHTMLData)
data.SessionID = s.ID data.SessionID = s.ID
data.Login = p.Login data.Login = p.Login
if err != nil { if err != nil {
@ -109,7 +76,7 @@ func HandleNewParticipant(s *types.Session, cp chan<- *types.Participant) http.H
} }
} }
func HandleBriefingForm(s *types.Session, db *db.DB) http.HandlerFunc { func (s *Session) HandleBriefingForm(db *data.DB) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
now := time.Now() now := time.Now()
var err error var err error
@ -130,40 +97,11 @@ func HandleBriefingForm(s *types.Session, db *db.DB) http.HandlerFunc {
} }
} }
// TODO: Make it only serve one purpose func HandleExternalLogin(ss *[]*Session) http.HandlerFunc {
func findCorrectLogin(l string, ss *[]*types.Session) (*types.Session, *types.Participant, bool) {
for _, session := range *ss {
for _, p := range session.Participants {
if l == p.Login {
return session, p, true
}
}
}
return nil, nil, false
}
func newParticipant(l string) (*types.Participant, error) {
var err error
p := new(types.Participant)
p.ID, err = strconv.ParseInt(l, 10, 64)
if err != nil {
return nil, fmt.Errorf("newParticipant: strconv.Atoi(idString): %v\n", err)
}
return p, nil
}
func HandleExternalLogin(ss *[]*types.Session) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
type httpData struct {
SessionID uuid.UUID
Login string
}
session, participant, loginCorrect := findCorrectLogin(r.PostFormValue("login"), ss) session, participant, loginCorrect := findCorrectLogin(r.PostFormValue("login"), ss)
if loginCorrect { if loginCorrect {
data := new(httpData) data := new(participantHTMLData)
data.SessionID = session.ID data.SessionID = session.ID
data.Login = participant.Login data.Login = participant.Login
@ -174,28 +112,8 @@ func HandleExternalLogin(ss *[]*types.Session) http.HandlerFunc {
} }
} }
func handleGivenAnswer(s *types.Session, p *types.Participant, i int64, r *http.Request, db *db.DB) error { func (s *Session) HandleParticipant(p *data.Participant, sq *[]data.Question, db *data.DB) http.HandlerFunc {
answer, err := strconv.Atoi(r.PostFormValue("answer"))
if err != nil {
return fmt.Errorf("handleGivenAnswer: strconv.Atoi(): %v\n", err)
}
if err := db.WriteGivenAnswer(s.Briefing, p, &s.Questions[i], answer); err != nil {
return fmt.Errorf("handleGivenAnswer: db.WriteGivenAnswer(): %v\n", err)
}
return nil
}
func HandleParticipant(s *types.Session, p *types.Participant, sq *[]types.Question, db *db.DB) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
type httpData struct {
SessionID uuid.UUID
Login string
Question types.Question
QuestionID int64
}
p.FirstName = r.PostFormValue("first-" + fmt.Sprint(p.Login)) p.FirstName = r.PostFormValue("first-" + fmt.Sprint(p.Login))
p.LastName = r.PostFormValue("last-" + fmt.Sprint(p.Login)) p.LastName = r.PostFormValue("last-" + fmt.Sprint(p.Login))
p.Company = r.PostFormValue("company-" + fmt.Sprint(p.Login)) p.Company = r.PostFormValue("company-" + fmt.Sprint(p.Login))
@ -206,7 +124,7 @@ func HandleParticipant(s *types.Session, p *types.Participant, sq *[]types.Quest
log.Panicln(err) log.Panicln(err)
} }
data := new(httpData) data := new(questionHTMLData)
data.SessionID = s.ID data.SessionID = s.ID
data.Login = p.Login data.Login = p.Login
data.Question = (*sq)[0] data.Question = (*sq)[0]
@ -216,23 +134,16 @@ func HandleParticipant(s *types.Session, p *types.Participant, sq *[]types.Quest
} }
} }
func HandleAnswer(s *types.Session, db *db.DB, p *types.Participant, sq *[]types.Question, i int64) http.HandlerFunc { func (s *Session) HandleAnswer(db *data.DB, p *data.Participant, sq *[]data.Question, i int64) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
log.Println(i, len(*sq)) log.Println(i, len(*sq))
if i < int64(len(*sq)) { if i < int64(len(*sq)) {
type httpData struct {
SessionID uuid.UUID
Login string
Question types.Question
QuestionID int64
}
if err := handleGivenAnswer(s, p, i-1, r, db); err != nil { if err := handleGivenAnswer(s, p, i-1, r, db); err != nil {
http.Error(w, "DisplayQuestion: handleGivenAnswer(): "+fmt.Sprint(err), http.StatusInternalServerError) http.Error(w, "DisplayQuestion: handleGivenAnswer(): "+fmt.Sprint(err), http.StatusInternalServerError)
log.Panicln(err) log.Panicln(err)
} }
data := new(httpData) data := new(questionHTMLData)
data.SessionID = s.ID data.SessionID = s.ID
data.Login = p.Login data.Login = p.Login
data.Question = (*sq)[i] data.Question = (*sq)[i]
@ -240,24 +151,6 @@ func HandleAnswer(s *types.Session, db *db.DB, p *types.Participant, sq *[]types
template.Must(template.ParseFiles("templates/question.html")).ExecuteTemplate(w, "content", data) template.Must(template.ParseFiles("templates/question.html")).ExecuteTemplate(w, "content", data)
} else { } else {
type answer struct {
Text string
Correct bool
Chosen bool
}
type question struct {
Text string
Answers []answer
}
type httpData struct {
SessionID uuid.UUID
Login string
Questions []question
Incorrect int
}
if err := handleGivenAnswer(s, p, i-1, r, db); err != nil { if err := handleGivenAnswer(s, p, i-1, r, db); err != nil {
http.Error(w, "DisplayTestResults: handleGivenAnswer(): "+fmt.Sprint(err), http.StatusInternalServerError) http.Error(w, "DisplayTestResults: handleGivenAnswer(): "+fmt.Sprint(err), http.StatusInternalServerError)
log.Panicln(err) log.Panicln(err)
@ -269,19 +162,19 @@ func HandleAnswer(s *types.Session, db *db.DB, p *types.Participant, sq *[]types
log.Panicln(err) log.Panicln(err)
} }
data := new(httpData) data := new(resultHTMLData)
data.SessionID = s.ID data.SessionID = s.ID
data.Login = p.Login data.Login = p.Login
data.Incorrect = 0 data.Incorrect = 0
data.Questions = make([]question, 0) data.Questions = make([]htmlQuestion, 0)
for i, q := range s.Questions { for i, q := range s.Questions {
question := new(question) question := new(htmlQuestion)
question.Text = q.Text question.Text = q.Text
question.Answers = make([]answer, 0) question.Answers = make([]htmlAnswer, 0)
for j, a := range q.Answers { for j, a := range q.Answers {
answer := new(answer) answer := new(htmlAnswer)
answer.Text = a.Text answer.Text = a.Text
if j+1 == q.Correct { if j+1 == q.Correct {
@ -304,21 +197,14 @@ func HandleAnswer(s *types.Session, db *db.DB, p *types.Participant, sq *[]types
} }
} }
template.Must(template.ParseFiles("templates/results.html")).ExecuteTemplate(w, "content", data) template.Must(template.ParseFiles("templates/result.html")).ExecuteTemplate(w, "content", data)
} }
} }
} }
func HandleRetry(s *types.Session, p *types.Participant, sq *[]types.Question) http.HandlerFunc { func (s *Session) HandleRetry(p *data.Participant, sq *[]data.Question) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
type httpData struct { data := new(questionHTMLData)
SessionID uuid.UUID
Login string
Question types.Question
QuestionID int64
}
data := new(httpData)
data.SessionID = s.ID data.SessionID = s.ID
data.Login = p.Login data.Login = p.Login
data.Question = (*sq)[0] data.Question = (*sq)[0]

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package session
import (
"crypto/rand"
"encoding/hex"
"fmt"
"html/template"
"net/http"
"strconv"
"streifling.com/jason/sicherheitsunterweisung/packages/data"
)
func displayTable(w http.ResponseWriter, db *data.DB) {
bs, err := db.GetAllOverviewTableData()
if err != nil {
http.Error(w, "displayTable: *DB.GetAllOverviewTableData(): "+fmt.Sprint(err), http.StatusInternalServerError)
}
template.Must(template.ParseFiles("templates/table.html")).ExecuteTemplate(w, "content", bs)
}
func generateLogin() (string, error) {
bs := make([]byte, 4)
if _, err := rand.Read(bs); err != nil {
return "", fmt.Errorf("generateLogin: rand.Read(bs): %v\n", err)
}
return hex.EncodeToString(bs), nil
}
func findCorrectLogin(l string, ss *[]*Session) (*Session, *data.Participant, bool) {
for _, session := range *ss {
for _, p := range session.Participants {
if l == p.Login {
return session, p, true
}
}
}
return nil, nil, false
}
func newParticipant(l string) (*data.Participant, error) {
var err error
p := new(data.Participant)
p.ID, err = strconv.ParseInt(l, 10, 64)
if err != nil {
return nil, fmt.Errorf("newParticipant: strconv.Atoi(idString): %v\n", err)
}
return p, nil
}
func handleGivenAnswer(s *Session, p *data.Participant, i int64, r *http.Request, db *data.DB) error {
answer, err := strconv.Atoi(r.PostFormValue("answer"))
if err != nil {
return fmt.Errorf("handleGivenAnswer: strconv.Atoi(): %v\n", err)
}
if err := db.WriteGivenAnswer(s.Briefing, p, &s.Questions[i], answer); err != nil {
return fmt.Errorf("handleGivenAnswer: db.WriteGivenAnswer(): %v\n", err)
}
return nil
}

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package session
import (
"github.com/google/uuid"
"streifling.com/jason/sicherheitsunterweisung/packages/data"
)
type Session struct {
ID uuid.UUID
*data.Briefing
Participants []*data.Participant
Questions []data.Question
}
type briefingHTMLData struct {
SessionID uuid.UUID
Login string
}
type participantHTMLData struct {
SessionID uuid.UUID
Login string
}
type questionHTMLData struct {
SessionID uuid.UUID
Login string
Question data.Question
QuestionID int64
}
type htmlAnswer struct {
Text string
Correct bool
Chosen bool
}
type htmlQuestion struct {
Text string
Answers []htmlAnswer
}
type resultHTMLData struct {
SessionID uuid.UUID
Login string
Questions []htmlQuestion
Incorrect int
}