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https://github.com/PlaceOS/office365

Crystal Lang MS Graph API integration
https://github.com/PlaceOS/office365

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Crystal Lang MS Graph API integration

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[![Crystal CI](https://github.com/PlaceOS/office365/actions/workflows/crystal.yml/badge.svg)](https://github.com/PlaceOS/office365/actions/workflows/crystal.yml)

# office365

Implements the Microsoft Office365 Graph API for the follow

* OAuth Token Generation
- By providing credentials via argument
* User
- list Users
- get User
* Groups
- get a group
- list group members
- list a members groups
* Calendar
- list Calendars
- list Calendar Groups
- create Calendar
- create Calendar Group
- delete Calendar
- delete Calendar Group
- availability
* Events
- list Events
- create Event
- get Event
- update Event
- delete Event
* Attachments
- list Attachments
- create Attachment
- get Attachment
- delete Attachment
* Mail
- send mail
* Place
- List Places
- Get Place

## Installation

1. Add the dependency to your `shard.yml`:

```yaml
dependencies:
office365:
github: PlaceOS/office365
```

2. Run `shards install`

## Usage

```crystal
require "office365"
```

### Authentication

#### Office365::Client

```crystal
client = Office365::Client.new(
tenant: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
client_id: "xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
client_secret: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
)
```

### Users

```crystal
# id can be either user id, or email
user = client.get_user(id: "[email protected])

# get all users
users = client.list_users

# get top 25 users
users = client.list_users(limit: 25)

# get top 100 users whose email or display name starts with "foo"
users = client.list_users(q: "foo", limit: 100)
```

### Calendars

```crystal
# fetch all [email protected]'s calendars
calendars = client.list_calendars(mailbox: "[email protected]")

# fetch all [email protected]'s calendar from default calendar group
calendars = client.list_calendars(mailbox: "[email protected]", calendar_group_id: "default")

# fetch all [email protected]'s calendars from a specific calendar group id
calendars = client.list_calendars(mailbox: "[email protected]", calendar_group_id: "xxxx-xxxx...")

# fetch [email protected]'s calendars whose name exactly matches "garys calendar"
calendars = client.list_calendars(mailbox: "[email protected]", match: "garys calendar")

# fetch [email protected]'s calendars whose name starts with "gary"
calendars = client.list_calendars(mailbox: "[email protected]", search: "gary")

# fetch all foo@bars calendar groups, limit is optional
groups = client.list_calendar_groups(mailbox: "[email protected]", limit: 25)

# create a new calendar, returns an Office365::Calendar objectj
calendar = client.create(
mailbox: "[email protected]", # required
name: "My New Calendar", # required
calendar_group_id: "..." # optional
)

# create a calendar group
group = client.create_calendar_group(mailbox: "[email protected]", name: "A Whole New Calendar Group!")

# deleting a calendar
client.delete_calendar(
mailbox: "[email protected]", # required
id: "...", # required
calendar_group_id: "..." # optional
)

# deleting a calendar group
client.delete_calendar_group(
mailbox: "[email protected]", # required
id: "...", # required
)

# fetching availability for a list of calendars
client.get_availability(
mailbox: "[email protected]", # required
mailboxes: ["[email protected]", "[email protected]"], # required
starts_at: Time.local(location: Time::Location.build("Australia/Sydney")), # required query time starting from
ends_at: Time.local(location: Time::Location.build("Australia/Sydney")) + 30.minutes, # required query time ending at
)
```

### Events
```crystal
# list events, returns Office365::EventQuery
list = client.list_events(
mailbox: "[email protected]", # required
calendar_id: "...", # optional
calendar_group_id: "..." # optional
)

# create an event
event = client.create_event(
mailbox: "[email protected]",
starts_at: Time.local(location: Time::Location.build("Australia/Sydney")),
ends_at: Time.local(location: Time::Location.build("Australia/Sydney")) + 30.minutes,
calendar_id: "...",
calendar_group_id: "...",
subject: "My Meeting",
description: "A description of my meeting",

# attendee's can be either a string, EmailAddress, or Attendee
attendees[
"[email protected]",
EmailAddress.new("David Bowie", "[email protected]"),
Attendee.new(
email: "[email protected]",
type: Office365::AttendeeType::Optional
)
],

# adds an attendee of type AttendeeType::Resource
location: "The Red Room",

# adds recurrence
recurrence: RecurrenceParam.new(pattern: "daily", range_end: Time.local(location: Time::Location.build("Australia/Sydney")).at_beginning_of_day + 5.days),

# specify sensitivity
sensitivity: Office365::Sensitivity::Normal,

# adds attendees of type AttendeeType::Resource, string or email address will work
rooms:[
"[email protected]",
EmailAddress.new("David Bowie", "[email protected]"),
]
)

# get an event
event = client.get_event(mailbox: "[email protected]", id: "...")

# update an event
event.description = "Updated: Something new" # update description
event.set_recurrence(RecurrenceParam.new(pattern: "daily", range_end: Time.local(location: Time::Location.build("Australia/Sydney")).at_beginning_of_day + 7.days)) # update recurrence
updated_event = client.update_event(event: event, mailbox: "[email protected]")

# delete event
client.delete_event(mailbox: "[email protected]", id: "...")
```

### Attachments
```crystal
# list attachments, returns Office365::AttachmentQuery
list = client.list_attachments(
mailbox: "[email protected]", # required
event_id: "1234", # required
calendar_id: "...", # optional
calendar_group_id: "..." # optional
)

# create an attachment for an event
attachment = client.create_attachment(
mailbox: "[email protected]",
event_id: "1234",
name: "test.txt",
content_bytes: "hello worlds" # file contents as string
)

# get an attachment
attachment = client.get_attachment(mailbox: "[email protected]", event_id: "1234", id: "...")

# delete attachment
client.delete_attachment(mailbox: "[email protected]", event_id: "1234", id: "...")
```

## Development

To run specs `crystal spec`

## Contributing

1. Fork it ()
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request