aoc.go

@@ -13,16 +13,14 @@ type AoC struct {
 	session string
 	boardId string
 	boards  map[int]*Leaderboard
-
-	sessionErr bool
 }
 
 func NewAoC(boardId, session string) (*AoC, error) {
 	if boardId == "" {
-		return nil, BoardIdRequiredError
+		return nil, new(BoardIdRequiredError)
 	}
 	if session == "" {
-		return nil, SessionRequiredError
+		return nil, new(SessionRequiredError)
 	}
 	return &AoC{
 		session: session,
@@ -31,17 +29,10 @@ func NewAoC(boardId, session string) (*AoC, error) {
 	}, nil
 }
 
-func (a *AoC) GetSession() string { return a.session }
-func (a *AoC) SetSession(session string) {
-	a.session = session
-	a.sessionErr = false
-}
-func (a *AoC) NeedsNewSession() bool { return a.sessionErr }
-
 func (a *AoC) SetCachedLeaderboard(l *Leaderboard) error {
 	yr, err := strconv.Atoi(l.Event)
 	if err != nil {
-		return InvalidYearError
+		return new(InvalidYearError)
 	}
 
 	a.boards[yr] = l
@@ -50,20 +41,17 @@ func (a *AoC) SetCachedLeaderboard(l *Leaderboard) error {
 
 func (a *AoC) GetCachedLeaderboard(year int) (*Leaderboard, error) {
 	if year < 2015 || year > time.Now().Year() {
-		return nil, InvalidYearError
+		return nil, new(InvalidYearError)
 	}
 	if board, ok := a.boards[year]; ok {
 		return board, nil
 	}
-	return nil, LeaderboardNotCachedError
+	return nil, LeaderboardNotCachedError{year: year}
 }
 
 func (a *AoC) GetLeaderboard(year int) (*Leaderboard, error) {
 	if year < 2015 || year > time.Now().Year() {
-		return nil, InvalidYearError
-	}
-	if a.sessionErr {
-		return nil, SessionError
+		return nil, new(InvalidYearError)
 	}
 	if board, ok := a.boards[year]; ok {
 		if time.Since(board.LastFetch) < (time.Minute * 15) {
@@ -74,8 +62,7 @@ func (a *AoC) GetLeaderboard(year int) (*Leaderboard, error) {
 	a.boards[year], err = a.fetchLeaderboard(year)
 	if err != nil {
 		if err.Error() == "invalid character '<' looking for beginning of value" {
-			a.sessionErr = true
-			return nil, SessionError
+			return nil, new(SessionError)
 		}
 		return nil, err
 	}
@@ -93,9 +80,6 @@ func (a *AoC) fetchLeaderboard(year int) (*Leaderboard, error) {
 	client := &http.Client{}
 	boardString := fmt.Sprintf("https://adventofcode.com/%d/leaderboard/private/view/%s.json", year, a.boardId)
 	req, err = http.NewRequest("GET", boardString, nil)
-	if err != nil {
-		return nil, err
-	}
 	req.Header.Add("Cookie", "session="+a.session)
 	resp, err = client.Do(req)
 	if err != nil {
@@ -107,12 +91,9 @@ func (a *AoC) fetchLeaderboard(year int) (*Leaderboard, error) {
 		return nil, err
 	}
 	strBody := string(body)
+	// strBody = strings.ReplaceAll(strBody, "\"last_star_ts\":\"0\"", "\"last_star_ts\":0")
 	err = json.Unmarshal([]byte(strBody), &leaderboard)
 	if err != nil {
-		if err.Error() == "invalid character '<' looking for beginning of value" {
-			a.sessionErr = true
-			return nil, SessionError
-		}
 		return nil, fmt.Errorf("error parsing board: %w", err)
 	}
 	for k, mbr := range leaderboard.Members {

aoc_errors.go

@@ -1,13 +1,35 @@
 package aoc
 
-import (
-	"errors"
-)
+import "fmt"
 
-var (
-	SessionRequiredError      = errors.New("session key is required")
-	SessionError              = errors.New("invalid session")
-	BoardIdRequiredError      = errors.New("board id is required")
-	InvalidYearError          = errors.New("invalid year")
-	LeaderboardNotCachedError = errors.New("leaderboard is not cached")
-)
+type SessionRequiredError struct{}
+
+func (e SessionRequiredError) Error() string {
+	return "session key is required"
+}
+
+type SessionError struct{}
+
+func (e SessionError) Error() string {
+	return "invalid session"
+}
+
+type BoardIdRequiredError struct{}
+
+func (e BoardIdRequiredError) Error() string {
+	return "board id is required"
+}
+
+type InvalidYearError struct{}
+
+func (e InvalidYearError) Error() string {
+	return "invalid year"
+}
+
+type LeaderboardNotCachedError struct {
+	year int
+}
+
+func (e LeaderboardNotCachedError) Error() string {
+	return fmt.Sprintf("leaderboard (%d) is not cached", e.year)
+}