Initial commit

Signed-off-by: Andrea Barberio <insomniac@slackware.it>

README.md

@@ -0,0 +1,3 @@
+# moca24-ics
+
+Smal tool that fetches the [MOCA 2024 calendar](https://moca.camp/calendar/index.html) via HackerTracker API and prints it in ICS format.

go.mod

@@ -0,0 +1,7 @@
+module git.cicciogatto.lol/insomniac/moca-ics
+
+go 1.22.6
+
+require github.com/sirupsen/logrus v1.9.3
+
+require golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect

go.sum

@@ -0,0 +1,15 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,184 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/sirupsen/logrus"
+)
+
+var (
+	hturl = url.URL{
+		Scheme: "https",
+		Host:   "firestore.googleapis.com",
+		Path:   "/v1/projects/junctor-hackertracker/databases/(default)/documents/conferences/MOCA2024:runQuery",
+	}
+)
+
+type StringField struct {
+	StringValue string `json:"stringValue,omitempty"`
+}
+
+type IntField struct {
+	IntValue string `json:"intValue,omitempty"`
+}
+
+type Value struct {
+	MapValue struct {
+		Fields struct {
+			ConferenceID interface{} `json:"conference_id,omitempty"`
+			EventIDs     ArrayField  `json:"event_i_ds,omitempty"`
+			Name         StringField `json:"name,omitempty"`
+			Links        ArrayField  `json:"links,omitempty"`
+			Affiliations ArrayField  `json:"affiliations,omitempty"`
+			Media        ArrayField  `json:"media,omitempty"`
+			ID           IntField    `json:"id,omitempty"`
+			ShortName    StringField `json:"short_name,omitempty"`
+		} `json:"fields,omitempty"`
+	} `json:"mapValue,omitempty"`
+}
+
+type ArrayField struct {
+	ArrayValue struct {
+		Values []Value `json:"values,omitempty"`
+	} `json:"arrayValue,omitempty"`
+}
+
+type Item struct {
+	Document struct {
+		Name   string `json:"name"`
+		Fields struct {
+			Conference       StringField `json:"conference,omitempty"`
+			Timezone         StringField `json:"timezone,omitempty"`
+			Link             StringField `json:"link,omitempty"`
+			Title            StringField `json:"title,omitempty"`
+			Description      StringField `json:"description,omitempty"`
+			Media            ArrayField  `json:"media,omitempty"`
+			Type             interface{} `json:"type,omitempty"`
+			BeginTsz         StringField `json:"begin_tsz,omitempty"`
+			EndTsz           StringField `json:"end_tsz,omitempty"`
+			BeginTimestamp   StringField `json:"begin_timestamp,omitempty"`
+			EndTimestamp     StringField `json:"end_timestamp,omitempty"`
+			UpdatedTsz       StringField `json:"updated_tsz,omitempty"`
+			UpdatedTimestamp StringField `json:"updated_timestamp,omitempty"`
+			Location         Value       `json:"location,omitempty"`
+			Speakers         ArrayField  `json:"speakers,omitempty"`
+			Links            ArrayField  `json:"links,omitempty"`
+		} `json:"fields,omitempty"`
+	} `json:"document"`
+}
+
+func main() {
+	reqData := []byte(`{
+  "structuredQuery": {
+    "from": [
+      {
+        "collectionId": "events"
+      }
+    ],
+    "orderBy": [
+      {
+        "field": {
+          "fieldPath": "begin_timestamp"
+        },
+        "direction": "DESCENDING"
+      },
+      {
+        "field": {
+          "fieldPath": "__name__"
+        },
+        "direction": "DESCENDING"
+      }
+    ]
+  }
+}`)
+	req, err := http.NewRequest(http.MethodPost, hturl.String(), bytes.NewBuffer(reqData))
+	if err != nil {
+		logrus.Fatalf("Failed to create new request: %v", err)
+	}
+	client := http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		logrus.Fatalf("HTTP POST failed: %v", err)
+	}
+	defer func() {
+		_ = resp.Body.Close()
+	}()
+	if resp.StatusCode != 200 {
+		logrus.Fatalf("Status code is not 200 OK but %s", resp.Status)
+	}
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		logrus.Fatalf("Failed to read HTTP body: %v", err)
+	}
+	var items []Item
+	if err := json.Unmarshal(body, &items); err != nil {
+		logrus.Fatalf("Failed to unmarshal response: %v", err)
+	}
+	ics := fmt.Sprintf(`BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//moca/camp/schedule v1.0//EN
+VTIMEZONE: Europe/Rome
+`)
+
+	for _, item := range items {
+		eventUID := item.Document.Name
+		location := item.Document.Fields.Location.MapValue.Fields.Name.StringValue
+		speakerNames := make([]string, 0, len(item.Document.Fields.Speakers.ArrayValue.Values))
+		for _, v := range item.Document.Fields.Speakers.ArrayValue.Values {
+			name := v.MapValue.Fields.Name.StringValue
+			if name != "" {
+				name = strings.Replace(name, "\n", "\\n", -1)
+				name = strings.Replace(name, "\"", "'", -1)
+				speakerNames = append(speakerNames, name)
+			}
+		}
+		speakers := "unknown"
+		if len(speakerNames) > 0 {
+			speakers = strings.Join(speakerNames, ", ")
+		}
+		speakerEmail := "unknown"
+		start, err := time.Parse("2006-01-02T15:04:05Z", item.Document.Fields.BeginTsz.StringValue)
+		if err != nil {
+			logrus.Fatalf("Failed to parse start time %q: %v", item.Document.Fields.BeginTsz.StringValue, err)
+		}
+		end, err := time.Parse("2006-01-02T15:04:05Z", item.Document.Fields.EndTsz.StringValue)
+		if err != nil {
+			logrus.Fatalf("Failed to parse end time %q: %v", item.Document.Fields.EndTsz.StringValue, err)
+		}
+		summary := item.Document.Fields.Title.StringValue
+		description := item.Document.Fields.Description.StringValue
+		description = strings.Replace(description, "\n", "\\n", -1)
+		description = strings.Replace(description, "\r", "", -1)
+		ics += fmt.Sprintf(`BEGIN:VEVENT
+UID:%s
+ORGANIZER;CN=%s:MAILTO:%s
+DTSTAMP:20240912T140000Z
+DTSTART:%s
+DTEND:%s
+SUMMARY:%s
+DESCRIPTION: %s
+GEO:42.5816338;14.0901461
+LOCATION: %s
+END:VEVENT
+`,
+			eventUID,
+			speakers,
+			speakerEmail,
+			start.Format("20060102T150405Z"),
+			end.Format("20060102T150405Z"),
+			summary,
+			description,
+			location,
+		)
+	}
+	ics += fmt.Sprintln("END:VCALENDAR")
+	ics = strings.Replace(ics, "\n", "\r\n", -1)
+	fmt.Println(ics)
+}