68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package archive
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import (
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"errors"
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"fmt"
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"regexp"
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"time"
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"github.com/jehiah/go-strftime"
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)
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var (
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SERVER_VERSION = "archive/0.0.0"
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)
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type ArchiveServer struct {
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timezone *time.Location
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cfg *Config
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startup time.Time
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rxViewRoot, rxViewPage, rxSearch, rxSearchRx *regexp.Regexp
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}
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func NewArchiveServer(cfg *Config) (*ArchiveServer, error) {
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tz, err := time.LoadLocation(cfg.Timezone)
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if err != nil {
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return nil, err
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}
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if cfg.LinesPerPage <= 0 {
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return nil, fmt.Errorf("Invalid %d lines per page", cfg.LinesPerPage)
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}
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if len(cfg.Logs) == 0 {
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return nil, fmt.Errorf("No log sources configured")
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}
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for _, ls := range cfg.Logs {
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if len(ls.FileLocation) == 0 {
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return nil, fmt.Errorf(`No file locations for log source "%s"`, ls.Description)
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}
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}
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return &ArchiveServer{
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timezone: tz,
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cfg: cfg,
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startup: time.Now(),
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rxViewRoot: regexp.MustCompile(`^/([^/]+)/(\d+)/(\d+)$`),
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rxViewPage: regexp.MustCompile(`^/([^/]+)/(\d+)/(\d+)/(?:page-)?(\d+)$`),
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rxSearch: regexp.MustCompile(`^/([^/]+)/search/(.*)$`),
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rxSearchRx: regexp.MustCompile(`^/([^/]+)/rx/(.*)$`),
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}, nil
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}
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var ErrNoLogForMonth = errors.New("No logs for the selected month.")
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func (this *ArchiveServer) LogFile(ls *LogSource, ym YearMonth) (string, error) {
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ymIndex := ym.Index()
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for _, fl := range ls.FileLocation {
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if fl.StartMonth.Index() <= ymIndex && (fl.EndMonth == nil || fl.EndMonth.Index() >= ymIndex) {
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return strftime.Format(fl.LogFilePath, time.Date(ym.Year, ym.Month, 1, 0, 0, 0, 0, this.timezone)), nil
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}
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}
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return "", ErrNoLogForMonth
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}
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