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README.md
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# Meeting Planner ## Meeting Planner Backend
Find the best time to schedule a meeting across several timezones. Meeting Planner helps you find the best time to schedule a meeting across several timezones.
Based on the availibity of all participants on specific days. It's based on the availibity of all participants for specific days.
### How does it work? - [Documentation](https://git.armada.digital/meeting-planner/documentation)
- Frontend (coming soon)
#### For the meeting manager # Backend architecture
1. Choose a title and description - [API endpoints](https://git.armada.digital/meeting-planner/documentation/src/branch/master/api-documentation.md)
2. Select the possible days on the calendar - [Database design](https://dbdiagram.io/d/5e769ab14495b02c3b88936f)
3. Enter a deadline for responses - [Flowchart](https://app.diagrams.net/#Uhttps://git.armada.digital/meeting-planner/documentation/raw/branch/master/meetingscheduler.drawio)
4. Send invitations to potential participants
5. Wait either for all participants to respond or for the deadline (whichever happens first)
6. Set the meeting from the best meeting dates
Optional:
- Choose the minimum of people for the meeting to take place (quorum)
- Choose who needs to be there for the meeting to happen
#### For the participants
1. Enter your availibility on the calendar: you can choose between (Yes / No / Ideal)
2. Wait for the meeting manager to confirm the meeting date

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research/API Documentation.md
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## API Documentation
___
> Values required in **`bold`**.
### **Accounts** | `account`
| field | data type | metadata |
| :-------------| :---------------- | :-------------------------- |
| id | unsigned integer | primary key, auto-increment |
| username | varchar | required |
| email | varchar | required |
| password | varchar | required |
| timezone | varchar | |
| earliest_time | varchar | |
| latest_time | varchar | |
| created_at | datetime | generated by database |
#### Add an account
**`POST /api/accounts`**
##### Request
A json object for the account to register with **`username`**, **`email`**, **`password`**, `timezone`, `earliest_time` and `latest_time`.
```
{
"username": "jean",
"email": "jean@example.com",
"password": "really-strong-password",
"timezone": "Europe/Brussels",
"earliest_time":"09:30 AM",
"latest_time":"10:00 PM"
}
```
##### Response
A json object for the registered account with `id`, `username`, `email`, `timezone`, `earliest_time` and `latest_time`.
```
{
"status": 201,
"data": {
"id": 1,
"username": "jean",
"email": "jean@example.com",
"timezone": "Europe/Brussels",
"earliest_time":"09:30 AM",
"latest_time":"10:00 PM"l
}
}
```
#### Log in an account
**`POST /api/accounts/login`**
##### Request
A json object for the account to login with either **`email`** or **`username`**, and **`password`** .
```
{
"username": "jean",
"password": "super-strong-password"
}
```
##### Response
A json object for the registered account with `id`, `username`, `email`, `timezone`, `earliest_time` and `latest_time`.
```
{
"status": 201,
"data": {
"id": 1,
"username": "jean",
"email": "jean@example.com",
"timezone": "Europe/Brussels",
"earliest_time":"09:30 AM",
"latest_time":"10:00 PM"l
}
}
```
#### Update an account
**`PUT /api/accounts/:id`**
##### Request
A json object for the account to register with `id` and any of `username`, `email`, `password`, `timezone`, `earliest_time`, `latest_time`.
```
{
"id": 15,
"earliest_time": "08:30 AM",
"latest_time": "08:00 PM"
}
```
##### Response
A json object for the registered account with `id`, `username`, `email`, `timezone`, `earliest_time` and `latest_time`.
```
{
"status": 200,
"data": {
"id": 1,
"username": "jean",
"email": "jean@example.com",
"timezone": "Europe/Brussels",
"earliest_time": "09:30 AM",
"latest_time": "10:00 PM"
}
}
```
#### Delete an account
**`DELETE /api/accounts/:id`**
##### Request
A json object for the account to delete with `id`.
```
{
"id": 15
}
```
##### Response
A json object for the deleted account with status code, message, `id`, `username` and `email`.
```
{
"status": 200,
"message": " '`username`' account with email '`email`' has been successfully deleted."
"data": {
"id": 15,
"username": "jean",
"email": "jean@example.com"
}
}
```
#### Get a list of meetings for an account
**`GET /api/accounts/:account_id/meetings`**
##### Request
A json object with an `account_id`.
```
{
"id": 5
}
```
##### Response
A json object for the specified account with an array of `meeting`.
```
{
"status": 200,
"data": [{
"id": "worldwide-strategy-meeting-for-11059",
"title": "Worldwide strategy meeting for growth",
"description": "Let's find the best ethical growth hacking technics together. Yeah, fun.",
"start_time": "2022-02-16 20:00:00",
"timezone": "Europe/Brussels",
"duration": 60,
"status": 1
},
{
"id": "follow-up-with-tech-team-21850",
"title": "Follow up with tech team",
"duration": 120,
"status": 0
}
]
}
```
### **Meetings** | `meeting`
| field | data type | metadata |
| :---------- | :-------- | :-------------------------------------------------------------------------------- |
| id | varchar | primary key, first 30 chars of `title` with words separated by `-` + 5 random int |
| title | varchar | required |
| description | varchar | |
| start_time | datetime | |
| timezone | varchar | |
| duration | int | required |
| status | boolean | required: `0` (proposed) or `1` (confirmed) |
| password | varchar | |
| created_at | datetime | generated by database |
#### Add a meeting
**`POST /api/meetings`**
##### Request
A json object for the meeting to add with **`id`**, **`title`**, `description`, `start_time`, **`duration`** and `password`.
```
{
"id": "worldwide-strategy-meeting-for-11059",
"title": "Worldwide strategy meeting for growth",
"description": "Let's find the best ethical growth hacking technics together. Yeah, fun.",
"duration": 90,
"password": "generic-password"
}
```
##### Response
A json object for the added meeting with `id`, `title`, `description`, `start_time`, `duration`, `status` and `password`.
```
{
"status": 201,
"data": {
"id": "worldwide-strategy-meeting-for-11059",
"title": "Worldwide strategy meeting for growth",
"description": "Let's find the best ethical growth hacking technics together. Yeah, fun.",
"duration": 90,
"status": 0
}
}
```
#### Update a meeting
**`PUT /api/meetings/:id`**
##### Request
A json object for the meeting to update with `id`, `acount_id` and any of `title`, `description`, `start_time`, `timezone`, `duration`, `status` and `password`.
```
{
"id": "worldwide-strategy-meeting-for-11059",
"account_id": 5,
"start_time": "2022-02-16 20:00:00",
"timezone": "Europe/Brussels",
"status": 1
}
```
##### Response
A json object for the updated meeting with `id`, `title`, `description`, `start_time`, `timezone`, `duration` and `status`.
```
{
"status": 200,
"data": {
"id": "worldwide-strategy-meeting-for-11059",
"title": "Worldwide strategy meeting for growth",
"description": "Let's find the best ethical growth hacking technics together. Yeah, fun.",
"start_time": "2022-02-16 20:00:00",
"timezone": "Europe/Brussels",
"duration: 90,
"status": 1
}
}
```
#### Delete a meeting
**`DELETE /api/meetings/:id`**
##### Request
A json object for the meeting to delete with `id` and `account_id`.
```
{
"id": "worldwide-strategy-meeting-for-11059",
"account_id": 5
}
```
##### Response
A json object for the deleted meeting with status code and message.
```
{
"status": 200,
"message": "Meeting '`meeting_title`' has been successfully deleted."
}
```
#### Get a list of all participants for a meeting
**`GET /api/meetings/:id/participants`**
##### Request
A json object with an `account_id`.
```
{
"id": "worldwide-strategy-meeting-for-11059",
"account_id": 5
}
```
##### Response
A json object for the specified meeting with an array of `participant`.
```
{
"status": 200,
"data": [{
"id": 23,
"account_id": 5,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"earliest_time": "09:30 AM",
"latest_time": "05:00 PM",
"quorum": 1,
"mandatory": 1,
"host": 1,
"answered": 1,
"timezone": "Europe/Brussels"
},
{
"id": 28,
"account_id": 11,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"earliest_time": "10:00 AM",
"latest_time": "09:00 PM",
"quorum": 0,
"mandatory": 1,
"host": 0,
"answered": 1,
"timezone": "Europe/Brussels"
}
]
}
```
#### Get a list of complete availibility for a meeting
**`GET /api/meetings/:id/availibility`**
##### Request
A json object with a `meeting_id`.
```
{
"id": "worldwide-strategy-meeting-for-11059"
}
```
##### Response
A json object for the specified meeting with an array of `participant`.
```
{
"status": 200,
"data": {
"meeting_id": "worldwide-strategy-meeting-for-11059",
"availibility": [{
"participant_id": 5,
"possible_date_id": 21,
"intervals": [{
"preference": 0,
"start_time": "2021-06-25 09:00:00",
"end_time": "2021-06-25 13:00:00",
"timezone": "Europe/Brussels"
},
{
"preference": 1,
"start_time": "2021-06-25 15:00:00",
"end_time": "2021-06-25 20:00:00",
"timezone": "Europe/Brussels"
}]
},
{
"participant_id": 56,
"possible_date_id": 21,
"intervals": [{
"preference": 0,
"start_time": "2021-06-25 08:00:00",
"end_time": "2021-06-25 10:30:00",
"timezone": "Europe/Brussels"
}]
}
]
}
}
```
### **Possible Dates** | `possible_date`
| field | data type | metadata |
| :------------ | :-------- | :-------------------------- |
| id | int | primary key, auto-increment |
| meeting_id | varchar | foreign key, required |
| possible_date | date | foreign key, required |
#### Add a possible date
**`POST /api/possible-dates`**
##### Request
A json object for the meeting to add with **`meeting_id`** and **`possible_date`**.
```
{
"meeting_id": "worldwide-strategy-meeting-for-11059",
"possible_date": "2020-02-18"
}
```
##### Response
A json object for the added meeting with `id`, `meeting_id` and `possible_date`.
```
{
"status": 201,
"data": {
"id": 5,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"possible_date": "2020-02-18"
}
}
```
#### Delete a possible date
**`DELETE /api/possible-dates/:id`**
##### Request
A json object for the possible date to delete with `id` and `account_id`.
```
{
"id": 12,
"account_id": 5
}
```
##### Response
A json object for the deleted possible date with status code and message.
```
{
"status": 200,
"message": "Date '`possible_date`' has been successfully removed for the '`meeting_title`'."
}
```
### **Participants** | `participant`
| field | data type | metadata |
| :------------ | :-------- | :-------------------------- |
| account_id | int | primary key, auto-increment |
| meeting_id | varchar | required |
| earliest_time | datetime | |
| latest_time | datetime | |
| quorum | boolean | `0` (no) or `1` (yes) |
| mandatory | boolean | `0` (no) or `1` (yes) |
| host | boolean | `0` (no) or `1` (yes) |
| answered | boolean | `0` (no) or `1` (yes) |
| timezone | varchar | required |
| created_at | datetime | generated by database |
#### Invite a participant
**`POST /api/participants`**
##### Request
A json object for the participant to add with **`account_id`**, **`meeting_id`**, **`earliest_time`**, **`latest_time`**, **`quorum`**, **`mandatory`**, **`host`**, **`answered`** and **`timezone`**.
```
{
"account_id": 5,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"earliest_time": "08:30 AM",
"latest_time": "08:00 PM",
"quorum": 0,
"mandatory": 1,
"host": 0,
"answered": 0,
"timezone": "Europe/Brussels"
}
```
##### Response
A json object for the participant with `id`, `account_id`, `meeting_id`, `earliest_time`, `latest_time`, `quorum`, `mandatory`, `host`, `answered` and `timezone`.
```
{
"status": 201,
"data": {
"id": 23,
"account_id": 5,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"earliest_time": "08:30 AM",
"latest_time": "08:00 PM",
"quorum": 0,
"mandatory": 1,
"host": 0,
"answered": 0,
"timezone": "Europe/Brussels"
}
}
```
#### Update a participant
**`PUT /api/participants/:id`**
##### Request
A json object for the participant to invite with `id` and any of `id`, `earliest_time`, `latest_time`, `quorum`, `mandatory`, `host`, `answered` and `timezone`.
```
{
"account_id": 5,
"earliest_time": "09:30 AM",
"latest_time": "05:00 PM",
"quorum": 1,
"host": 1,
"answered": 1,
}
```
##### Response
A json object for the participant with `id`, `account_id`, `meeting_id`, `earliest_time`, `latest_time`, `quorum`, `mandatory`, `host`, `answered` and `timezone`.
```
{
"status": 200,
"data": {
"id": 23,
"account_id": 5,
"meeting_id": "worldwide-strategy-meeting-for-11059",
"earliest_time": "09:30 AM",
"latest_time": "05:00 PM",
"quorum": 1,
"mandatory": 1,
"host": 1,
"answered": 1,
"timezone": "Europe/Brussels"
}
}
```
#### Delete a participant
**`DELETE /api/participants/:id`**
##### Request
A json object for the participant to delete with `id`.
```
{
"id": 23
}
```
##### Response
A json object for the deleted participant with status code and message.
```
{
"status": 200,
"message": "The '`participant_username`' has been successfully removed from the meeting '`meeting_title`'."
}
```
### **Availibility** | `availibility`
| field | data type | metadata |
| :--------------- | :-------- | :--------------------------------- |
| id | int | primary key, auto-increment |
| participant_id | int | foreign key, required |
| possible_date_id | int | foreign key, required |
| preference | boolean | `0` (ideal) or `1` (yes), required |
| start_time | timestamp | required |
| end_time | timestamp | required |
| timezone | varchar | required |
| created_at | datetime | generated by database |
GET / DELETE / UPDATE
#### Add an availibility for a possible date
**`POST /api/availibility`**
##### Request
A json object with the availibility to add with **`participant_id`**, **`possible_date_id`** and an array of intervals with **`preference`**, **`start_time`**, **`end_time`** and **`timezone`**.
```
{
"participant_id": 5,
"possible_date_id": 21,
"intervals": [{
"preference": 0,
"start_time": "2021-06-25 09:00:00",
"end_time": "2021-06-25 13:00:00",
"timezone": "Europe/Brussels"
},
{
"preference": 1,
"start_time": "2021-06-25 15:00:00",
"end_time": "2021-06-25 20:00:00",
"timezone": "Europe/Brussels"
}
]
}
```
##### Response
A json object with the availibility to add with **`participant_id`**, **`possible_date_id`** and an array of intervals with **`id`**, **`preference`**, **`start_time`**, **`end_time`** and **`timezone`**.
```
{
"status": 201,
"data": {
"participant_id": 5,
"possible_date_id": 21,
"intervals": [{
"id": 45,
"preference": 0,
"start_time": "2021-06-25 09:00:00",
"end_time": "2021-06-25 20:00:00",
"timezone": "Europe/Brussels"
},
{
"id": 46,
"preference": 1,
"start_time": "2021-06-25 09:00:00",
"end_time": "2021-06-25 20:00:00",
"timezone": "Europe/Brussels"
}
]
}
}
```
#### Delete availibility for a possible date
**`DELETE /api/availibility/:id`**
##### Request
A json object for the availibility to delete with **`participant_id`** and **`possible_date_id`**.
```
{
"participant_id": 5,
"possible_date_id": 21
}
```
##### Response
A json object for the deleted availibility with status code and message.
```
{
"status": 200,
"message": "Availibility successfully deleted for `participant_username` on `possible_date`"
}
```

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research/research.md
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## Proposed Tech stack
- NodeJS
- Express
- Postgresql
- Luxon
## Database architecture
See: https://dbdiagram.io/d/5e769ab14495b02c3b88936f
## Flowchart
[Open flowchart with diagrams.net](https://app.diagrams.net/#Uhttps://git.armada.digital/rui/meeting-scheduler-backend/raw/commit/53c94900cbedcbfccee4050c232956aebe16b083/research/meetingscheduler.drawio)
## API endpoints
[See all API endpoints](https://git.armada.digital/rui/meeting-scheduler-backend/src/branch/master/research/API%20Documentation.md)
## How to deal with date and time in PostgreSQL?
- use `datetime` datatype without timezone (datetime with timezone is using offset, which doesn't work well with DST)
- store datetime in UTC
- add timezone information separately, use `Full time zone name` (human friendly)
- use `ISO 8601` format, which is human friendly to read and supported by every library
See:
- https://www.moesif.com/blog/technical/timestamp/manage-datetime-timestamp-timezones-in-api/
- https://www.postgresql.org/docs/current/datatype-datetime.html
## Inspiration
- Framadate:https://framadate.org/
- Omnipointment: https://omnipointment.com
- When is Good: http://whenisgood.net/
- MRDA 2019 Secretary spreadsheets ;)