mirror of https://github.com/dirtbags/moth.git
86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"io"
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"log"
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"time"
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"github.com/dirtbags/moth/v4/pkg/transpile"
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"github.com/spf13/afero"
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)
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// NewTranspilerProvider returns a new TranspilerProvider.
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func NewTranspilerProvider(fs afero.Fs) TranspilerProvider {
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return TranspilerProvider{fs}
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}
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// TranspilerProvider provides puzzles generated from source files on disk
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type TranspilerProvider struct {
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fs afero.Fs
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}
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// Inventory returns a Category list for this provider.
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func (p TranspilerProvider) Inventory() []Category {
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ret := make([]Category, 0)
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inv, err := transpile.FsInventory(p.fs)
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if err != nil {
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log.Print(err)
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return ret
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}
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for name, points := range inv {
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ret = append(ret, Category{name, points})
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}
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return ret
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}
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type nopCloser struct {
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io.ReadSeeker
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}
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func (c nopCloser) Close() error {
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return nil
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}
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// Open returns a file associated with the given category and point value.
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func (p TranspilerProvider) Open(cat string, points int, filename string) (ReadSeekCloser, time.Time, error) {
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c := transpile.NewFsCategory(p.fs, cat)
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switch filename {
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case "", "puzzle.json":
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p, err := c.Puzzle(points)
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if err != nil {
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return nopCloser{new(bytes.Reader)}, time.Time{}, err
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}
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jp, err := json.Marshal(p)
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if err != nil {
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return nopCloser{new(bytes.Reader)}, time.Time{}, err
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}
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return nopCloser{bytes.NewReader(jp)}, time.Now(), nil
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default:
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r, err := c.Open(points, filename)
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return r, time.Now(), err
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}
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}
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// CheckAnswer checks whether an answer si correct.
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func (p TranspilerProvider) CheckAnswer(cat string, points int, answer string) (bool, error) {
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c := transpile.NewFsCategory(p.fs, cat)
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return c.Answer(points, answer), nil
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}
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// Mothball packages up a category into a mothball.
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func (p TranspilerProvider) Mothball(cat string, w io.Writer) error {
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c := transpile.NewFsCategory(p.fs, cat)
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return transpile.Mothball(c, w)
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}
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// Maintain performs housekeeping.
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func (p TranspilerProvider) Maintain(updateInterval time.Duration) {
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// Nothing to do here.
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}
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func (p TranspilerProvider) refresh() {
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// Nothing to do for a theme
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}
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