A small event log server for demonstration purposes. Main purpose it displaying the tracelog that is stored in the internal Postgres database.
yarn install
npm link
cp .env-example .env
yarn server
Show the trace of the latest Event Log
http://localhost:8000/trace?artifact=latest
Show the trace of an Event log about http://abc.org:
http://localhost:8000/trace?artifact=http://abc.org
Start the postgres server:
yarn db-start
Stop the postgres server:
yarn db-stop
Run a psql shell:
yarn db-shell
initCache(param { name: string }) : boolean
Drop and recreate an event log cache with name name.
addCache(notification: any, context: any, param { name:string }) : string | null
Add a new notification to the cache with name name. Optional provide the identifier of an ancestor notification in the context. Return the identifier of the stored notification or null on error.
Example context:
{
"updated": "2024-10-10T10:35:40.972Z",
"original": "urn:uuid:b6049038-f87f-42ec-918b-2b732ff3c209"
}
getCache(id: string, param { name: string }) : any | null
Return the notification with identifier id from the cache with name name.
getCacheContext(id: string, param { name: string }) : any | null
Return the notification context with identifier id from the cache with name name.
listCache(dataPath: string | null , contextPath: string | null, param { name: string , limit: num , offset: num }): [string]
Return a list of all notification identifiers from the cache with name name.
Optional provide a dataPath or contextPath to filter the notifications. Both follow the same syntax:
# Find all with actor.type equal to Person
actor.type=Person
# Find all with actor.type not equal to Person
actor.type!=Person
# Find all with object.url not set
object.url=NULL
# Finf all with object.ur set
object.url!=NULL
removeCache(id: string, param { name: string} ) : boolean
Remove from the cache with name name the notification with idenfitier id.