chapter13

Node TODO for AWS

Install the dependencies ...

npm install

... and run nodetodo

node index.js --help

usage

user

add

node index.js user-add <uid> <email> <phone>

node index.js user-add michael [email protected] 0123456789

remove

node index.js user-rm <uid>

node index.js user-rm michael

list

node index.js user-ls

show

node index.js user <uid>

node index.js user michael

task

add

node index.js task-add <uid> <description> [<category>] [--dueat=<yyyymmdd>] 

node index.js task-add michael "plan lunch" --dueat=20150522

remove

node index.js task-rm <uid> <tid>

node index.js task-rm michael 1432187491647

list

node index.js task-ls <uid> [<category>] [--overdue|--due|--withoutdue|--futuredue|--dueafter=<yyyymmdd>|--duebefore=<yyyymmdd>] [--limit=<limit>] [--next=<id>]

node index.js task-ls michael

mark as done

node index.js task-done <uid> <tid>

node index.js task-done michael 1432187491647

schema

You can use the tables.yaml CloudFormation template to create the DynamoDB tables, or the CLI:

user

aws dynamodb create-table --table-name todo-user --attribute-definitions AttributeName=uid,AttributeType=S --key-schema AttributeName=uid,KeyType=HASH --provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5

primary key

• HASH: uid

attributes

• uid: string
• email: string
• phone: string

task

aws dynamodb create-table --table-name todo-task --attribute-definitions AttributeName=uid,AttributeType=S AttributeName=tid,AttributeType=N --key-schema AttributeName=uid,KeyType=HASH AttributeName=tid,KeyType=RANGE --provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5

aws dynamodb update-table --table-name todo-task --attribute-definitions AttributeName=uid,AttributeType=S AttributeName=tid,AttributeType=N AttributeName=category,AttributeType=S --global-secondary-index-updates '[{"Create": {"IndexName": "category-index", "KeySchema": [{"AttributeName": "category", "KeyType": "HASH"}, {"AttributeName": "tid", "KeyType": "RANGE"}], "Projection": {"ProjectionType": "ALL"}, "ProvisionedThroughput": {"ReadCapacityUnits": 5, "WriteCapacityUnits": 5}}}]'

primary key

• HASH: uid
• RANGE: tid

attributes

• uid: string
• tid: number (time stamp)
• category: string (optional)
• description: string
• due: number (yyyymmdd)
• created: number (yyyymmdd)
• completed: number (yyyymmdd)

demo

$ node index.js user-add michael [email protected] +4971537507824
$ node index.js task-add michael "book flight to AWS re:Invent"
$ node index.js task-add michael "revise chapter 10"
$ node index.js task-ls michael
$ node index.js task-done michael <tid>