commit 657722a130fe85e29501dba0b90ae70600efec87 Author: darwincereska Date: Thu Mar 5 19:06:17 2026 -0500 init: first init diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..ea762ea --- /dev/null +++ b/.dockerignore @@ -0,0 +1,4 @@ +.git +.gitignore +*.env +README.md diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..95445eb --- /dev/null +++ b/.gitignore @@ -0,0 +1,30 @@ +# Go binaries +/bin/ +/bin/* + +# Dependency directories (remove the comment below if you use modules) +# vendor/ + +# Go test binary, build cache, and other artifacts +*.test +*.out +*.exe +*.exe~ +*.dll +*.so +*.dylib + +# IDE and editor files +*.idea/ +*.vscode/ +*.swp +*.swo +*.sublime-workspace +*.sublime-project + +# OS generated files +.DS_Store +Thumbs.db + +token/ +token.json diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..ca25b61 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,28 @@ +FROM golang:1.26-alpine AS builder + +# Set workdir +WORKDIR /lib/autocal + +# Copy go modules +COPY go.mod go.sum ./ +RUN go mod download + +# Copy rest of source code +COPY . . + +RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o /lib/autocal/app . + +# Final stage +FROM alpine:latest + +RUN addgroup -S autocal_group && adduser -S autocal_user -G autocal_group +USER autocal_user + +WORKDIR /lib/autocal + +COPY --from=builder /lib/autocal/app . +COPY --from=builder /lib/autocal/credentials.json . + +EXPOSE 4444 + +ENTRYPOINT ["/lib/autocal/app"] diff --git a/Taskfile.yml b/Taskfile.yml new file mode 100644 index 0000000..e69de29 diff --git a/autocal.yml b/autocal.yml new file mode 100644 index 0000000..7017ba9 --- /dev/null +++ b/autocal.yml @@ -0,0 +1,17 @@ +# Set the amount of time between calendar checks +interval: 60 # in minutes + +# Setup notifications for invites +notifications: + logging: true + + +# Declare events to automatically invite people to +events: + - name: Hotschedules + exact_name: false # Whether to use exact event name or use keyword + participants: [ "sarah.shannonclt@gmail.com" ] + + - name: Therapy + exact_name: true + participants: [ "sarah.shannonclt@gmail.com" ] diff --git a/config/parser.go b/config/parser.go new file mode 100644 index 0000000..2e05558 --- /dev/null +++ b/config/parser.go @@ -0,0 +1,27 @@ +package config + +import ( + "autocal/pkg/autocal" + "os" + + "gopkg.in/yaml.v3" +) + +// Parse autocal.yml +func ParseAutocal(path string) (*autocal.Autocal, error) { + // Open file + data, err := os.ReadFile(path) + if err != nil { + return nil, err + } + + // Create empty config + var autocal autocal.Autocal + + // Unmarshal YAML + if err := yaml.Unmarshal(data, &autocal); err != nil { + return nil, err + } + + return &autocal, nil +} diff --git a/credentials.json b/credentials.json new file mode 100644 index 0000000..882b04c --- /dev/null +++ b/credentials.json @@ -0,0 +1 @@ +{"installed":{"client_id":"456144269477-cgd4f7fsbl5n5m4n52s9f63ep10sf2n9.apps.googleusercontent.com","project_id":"autocal-489320","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["http://localhost:4444/callback"]}} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..c23b593 --- /dev/null +++ b/go.mod @@ -0,0 +1,50 @@ +module autocal + +go 1.25.7 + +require ( + github.com/charmbracelet/log v0.4.2 + golang.org/x/oauth2 v0.35.0 + google.golang.org/api v0.269.0 + gopkg.in/yaml.v3 v3.0.1 +) + +require ( + cloud.google.com/go/auth v0.18.2 // indirect + cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect + cloud.google.com/go/compute/metadata v0.9.0 // indirect + github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect + github.com/charmbracelet/lipgloss v1.1.0 // indirect + github.com/charmbracelet/x/ansi v0.8.0 // indirect + github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect + github.com/charmbracelet/x/term v0.2.1 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/go-logfmt/logfmt v0.6.0 // indirect + github.com/go-logr/logr v1.4.3 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/google/s2a-go v0.1.9 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.12 // indirect + github.com/googleapis/gax-go/v2 v2.17.0 // indirect + github.com/lucasb-eyer/go-colorful v1.2.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mattn/go-runewidth v0.0.16 // indirect + github.com/muesli/termenv v0.16.0 // indirect + github.com/rivo/uniseg v0.4.7 // indirect + github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect + go.opentelemetry.io/auto/sdk v1.2.1 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 // indirect + go.opentelemetry.io/otel v1.39.0 // indirect + go.opentelemetry.io/otel/metric v1.39.0 // indirect + go.opentelemetry.io/otel/trace v1.39.0 // indirect + golang.org/x/crypto v0.48.0 // indirect + golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect + golang.org/x/net v0.50.0 // indirect + golang.org/x/sys v0.41.0 // indirect + golang.org/x/text v0.34.0 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20260217215200-42d3e9bedb6d // indirect + google.golang.org/grpc v1.79.1 // indirect + google.golang.org/protobuf v1.36.11 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..19e8533 --- /dev/null +++ b/go.sum @@ -0,0 +1,116 @@ +cloud.google.com/go/auth v0.18.2 h1:+Nbt5Ev0xEqxlNjd6c+yYUeosQ5TtEUaNcN/3FozlaM= +cloud.google.com/go/auth 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+ "google.golang.org/api/calendar/v3" +) + +// Start jobs +func Start(calSrv *calendar.Service, config *autocal.Autocal) { + // Setup time + t := time.Now().Format(time.RFC3339) + + // Create events channel + events := make(chan *calendar.Event) + + // Start event watcher + go func() { + checkForNewEvents(calSrv, config, t, events) + }() + + // Wait for jobs + for event := range events { + // Loop through rules in config + for _, rule := range config.Events { + // Check if the event name matches the rule + // either by exact name or by keyword + isMatch := (rule.ExactName && event.Summary == rule.Name) || (!rule.ExactName && strings.Contains(event.Summary, rule.Name)) + + if isMatch { + if config.Notifications.Logging { + log.Info("Found matching event", "event", event.Summary, "rule", rule.Name) + } + + // Add participants to the event + go func(e *calendar.Event) { + err := addParticipantsToEvent(calSrv, e, &config.Notifications, rule.Participants) + if err != nil { + log.Error("Failed to add participants", "err", err) + } + }(event) + + + // Once a rule matches, we can stop checking other rules for this event + break + } + } + + } +} + +func addParticipantsToEvent(calSrv *calendar.Service, event *calendar.Event, notifications *autocal.Notifications, participants []string) error { + // Create a map of existing attendees for quick lookup + existingAttendees := make(map[string]bool) + for _, attendee := range event.Attendees { + existingAttendees[attendee.Email] = true + } + + // Flag to check if we need to update the event + shouldUpdate := false + + // Add new participants if they are not already in the event + for _, participant := range participants { + if !existingAttendees[participant] { + event.Attendees = append(event.Attendees, &calendar.EventAttendee{ Email: participant }) + shouldUpdate = true + if notifications.Logging { + log.Info("Adding new participant", "event", event.Summary, "participant", participant) + } + } + } + + // If we've added new attendees, update the event in Google Calendar + if shouldUpdate { + _, err := calSrv.Events.Update("primary", event.Id, event).Do() + if err != nil { + return err + } + if notifications.Logging { + log.Info("Successfully updated event", "event", event.Summary) + } + } + + return nil +} + +// Checks periodically for new events +func checkForNewEvents(calSrv *calendar.Service, config *autocal.Autocal, t string, eventsCh chan *calendar.Event) { + // Create ticker + interval := time.Duration(config.Interval) * time.Minute + ticker := time.NewTicker(interval) + defer ticker.Stop() + + // Start loop + for { + // Get events + log.Info("Checking for new events") + events, err := services.ListEvents(calSrv, "primary", false, true, t, 10, "startTime") + if err != nil { + log.Fatal("Failed to fetch events", "err", err) + } + + // Send events + if len(events.Items) > 0 { + for _, event := range events.Items { + eventsCh <- event + } + // Update the time to the last event checked to avoid processing the same events again + t = events.Items[len(events.Items)-1].Created + } + + // Wait for next tick + <-ticker.C + } +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..b37846a --- /dev/null +++ b/main.go @@ -0,0 +1,46 @@ +package main + +import ( + autocal_config "autocal/config" + "autocal/jobs" + "autocal/token" + "context" + "os" + + "github.com/charmbracelet/log" + "golang.org/x/oauth2/google" + "google.golang.org/api/calendar/v3" + "google.golang.org/api/option" +) + +func main() { + ctx := context.Background() + b, err := os.ReadFile("credentials.json") + if err != nil { + log.Fatal("Unable to read client secret file", "err", err) + } + + // Setup oauth2 config + config, err := google.ConfigFromJSON(b, calendar.CalendarScope) + if err != nil { + log.Fatal("Unable to parse client secret file to config", "err", err) + } + + // Get oauth2 client + client := token.GetClient(config) + + // Setup calendar service + calService, err := calendar.NewService(ctx, option.WithHTTPClient(client)) + if err != nil { + log.Fatal("Unable to retrieve Calendar client", "err", err) + } + + // Parse autocal.yml + calConfig, err := autocal_config.ParseAutocal("./autocal.yml") + if err != nil { + log.Fatal(err) + } + + // Start job + jobs.Start(calService, calConfig) +} diff --git a/pkg/autocal/autocal.go b/pkg/autocal/autocal.go new file mode 100644 index 0000000..7215c9c --- /dev/null +++ b/pkg/autocal/autocal.go @@ -0,0 +1,18 @@ +package autocal + +// Represents an autocal.yml file +type Autocal struct { + Interval int `yaml:"interval"` // Refresh interval (in seconds) + Notifications Notifications `yaml:"notifications"` // Notification config + Events []Event `yaml:"events"` // Event configuration +} + +type Notifications struct { + Logging bool `yaml:"logging"` // Log invites to console +} + +type Event struct { + Name string `yaml:"name"` // Event name (title) + ExactName bool `yaml:"exact_name"` // Use exact name or keyword filtering + Participants []string `yaml:"participants"` // Participant's email to invite +} diff --git a/services/calendar.go b/services/calendar.go new file mode 100644 index 0000000..70bb0c7 --- /dev/null +++ b/services/calendar.go @@ -0,0 +1,15 @@ +package services + +import ( + "google.golang.org/api/calendar/v3" +) + +// List calendar events +func ListEvents(srv *calendar.Service, calendarID string, showDeleted, singleEvents bool, timeMin string, maxResults int64, orderBy string) (*calendar.Events, error) { + events, err := srv.Events.List(calendarID).ShowDeleted(showDeleted).SingleEvents(singleEvents).TimeMin(timeMin).MaxResults(maxResults).OrderBy(orderBy).Do() + if err != nil { + return nil, err + } + + return events, nil +}