Erudika/para

The back-end framework for busy developers.

Mohanna Shahrad

@mohannashahrad

Hello. I have a question regarding posting answers and comments. If a person is not logged in and attempts to answer an existing question, the app redirects to the sign in page. Is there a way that users can post responses without signing in (authentication)? Thank you!

Alex Bogdanovski

@albogdano

@mohannashahrad yes, Scoold Pro supports anonymous posts

J. R. Schmid

@sixtyfive

@sixtyfive your issue has been fixed in para-cli@1.11.0

thank you!

Selim Gül

@selimgul

Hi guys

Could Para support Oracle database?

Alex Bogdanovski

@albogdano

@selimgul Hi, it could. I haven't tested the SQL DAO plugin with Oracle db yet

it may need a few tweaks to get it working - code is here https://github.com/Erudika/para-dao-sql

Selim Gül

@selimgul

Thanks Alex, I could run with mysql as mentioned github page. But I changed driver and configuration to para.sql.url=oracle:thin:@localhost:1521/XEPDB1 and got following error: Failed to check if table exists for appid 'para' [ORA-00942

Alex Bogdanovski

@albogdano

@selimgul I'll add support for Oracle very soon.

Selim Gül

@selimgul

Thank you Alex, waiting for you.

Alex Bogdanovski

@albogdano

@selimgul I'm happy to inform you that support for Oracle has been implemented! Additionally Para now works with SQLite as well.

Selim Gül

@selimgul

I tested for Oracle and It works now. Thank you Alexander for your great and speedy support.

Alex Bogdanovski

@albogdano

@selimgul you are welcome! :)

If you get any permission errors, check the updated README on GitHub

mason-c-web

@mason-c-web

Hi it me again! Quick question: If we use the Para service, is there an easy way for us to get our data back out? It looks like we probably could with the API? But i'm not sure it will let us get everything.

Alex Bogdanovski

@albogdano

yes, absolutely - the /v1/_export API will export everything

you need to call it for each app you need to get data out of

mason-c-web

@mason-c-web

ah i missed that.Thanks thats perf!

Alex Bogdanovski

@albogdano

@mason-c-web I will also add this functionality to the Para CLI tool when I have the time. That should make it much easier

mason-c-web

@mason-c-web

Maybe silly question: When enrolled in the para service, you can cancel at any time yeah? Would that look like deleting your account/data then?

Alex Bogdanovski

@albogdano

@mason-c-web absolutely. the data can be exported from your app's page. all apps and data will be completely deleted when the account is deleted but not when you cancel the subscription. if you just cancel you can keep the data for 2 weeks but the apps status will be 'inactive'.

mason-c-web

@mason-c-web

Question: How much space should i estimate per item in the DB for Para? My current assumption is 1kb is more than enough if its just text based.

Alex Bogdanovski

@albogdano

@mason-c-web correct - 1-2kb is the average item size. Keep in mind that the same item is replicate in the search index so the total size on disk would be double that.

Ghost

@ghost~611eae376da03739848387d6

Hello I'm new to Para. I am trying out the Para features by writing a simple spring boot app to create users etc. I tried creating using the Java Client API. I used the User object, set the name, appid, email and password. When I did paraclient.createObject() it said identifier has to be set. I am trying to understand what that identifier is. After that I set the identifier to "email". However it has created a sysprop in the name email. I am unable to understand the relation.

Alex Bogdanovski

@albogdano

@rprabhu Hi Prabhu and welcome to the chat!

Ghost

@ghost~611eae376da03739848387d6

Hi @albogdano, thank you!

Alex Bogdanovski

@albogdano

try setting the identifier field to the user's email address

Ghost

@ghost~611eae376da03739848387d6

the documentation is not clear about how the sysprop works and why the identifier field is mandatory.

Alex Bogdanovski

@albogdano

...or you can use the method paraClient.signIn("password", "email:name:password") to create users automatically

user objects are not meant to be created manually, usually they are created by Para for you

Ghost

@ghost~611eae376da03739848387d6

In that case, I have to create groups of users and assign different users to different user groups. how can this be achieved?

Alex Bogdanovski

@albogdano

you can create objects of type group and then assign each user to that group by setting the parentid field of that user to point to the id of the group objects

or you can use many-to-many relationships

Ghost

@ghost~611eae376da03739848387d6

Is there any separate documentation or the Javadocs for all these details? I don't see it in the docs or am I looking at the wrong place?

Alex Bogdanovski

@albogdano

yes, the docs and Javadocs are here http://paraio.org/docs/#003-maven

Ghost

@ghost~611eae376da03739848387d6

Thank you @albogdano will take a look and get back to you if there are any questions. Thanks for the quick response!

Alex Bogdanovski

@albogdano

you are welcome!

rakurakupg

@rakurakupg

Hello! I try to run para-jar with MySQL with following configuration but It looks to run with H2DB.

para.env = "development"
para.sql.driver = "com.mysql.jdbc.Driver"
para.sql.url = "mysql://127.0.0.1:3306/para_qa"
para.sql.user = "test"
para.sql.password = "test"
para.dao = "SqlDAO"

This is mvn command to run para-jar.

./mvnw -Dconfig.file=../application.conf spring-boot:run

And following console log is displayed.

[INFO] Attaching agents: []

    ____  ___ _ ____ ___ _ 
    / __ \/ __` / ___/ __` /
    / /_/ / /_/ / /  / /_/ / 
/ .___/\__,_/_/   \__,_/  v1.40.0
/_/                        

2021-09-05 14:20:45 [INFO ] --- Para.initialize() [production] ---
2021-09-05 14:20:45 [INFO ] Loaded new DAO, Search and Cache implementations - H2DAO, LuceneSearch and CaffeineCache.
2021-09-05 14:20:46 [WARN ] Server is unhealthy - root app not found. Open http://localhost:8080/v1/_setup in the browser to initialize Para.

Is there anything what I have to configure to run para with MySQL ?

Alex Bogdanovski

@albogdano

@rakurakupg try creating a table called para with URL of mysql://127.0.0.1:3306/para

@rakurakupg also in the log it says that SqlDAO is not actually loaded and Para starts with the default H2DAO. Make sure the configuration is loaded by specifying the full path to the application.conf file

rakurakupg

@rakurakupg

@albogdano, Thank you for advice , but it's not work for me.

I wonder why I get log message Para.initialize() [production] even though I set para.env=development in config file.
I try another command like below.

./mvnw -Pbase clean package spring-boot:repackage && java -Dconfig.file=/Users/.../para/application.conf -jar target/para-1.40.0.jar

Then I got following log.

[INFO] ------------------------------------------------------------------------

    ____  ___ _ ____ ___ _ 
    / __ \/ __` / ___/ __` /
    / /_/ / /_/ / /  / /_/ / 
/ .___/\__,_/_/   \__,_/  v1.40.0
/_/                        

2021-09-05 20:59:56 [INFO ] --- Para.initialize() [development] ---
2021-09-05 20:59:56 [INFO ] Loaded new DAO, Search and Cache implementations - MockDAO, MockSearch and CaffeineCache.
2021-09-05 20:59:57 [WARN ] Server is unhealthy - root app not found. Open http://localhost:8080/v1/_setup in the browser to initialize Para.

It seems para-jar is loading correct application.conf but It looks loading MockDAO instead of MySQL .
I checked mysql schema but I can't find any tables generated by application.

I tested both absolute path and relative path for -Dconfig.file parameter but nothing has changed.
In any case do we get MockDAO in console log ?

Alex Bogdanovski

@albogdano

@rakurakupg the correct command is ./mvnw clean package && java -jar -Dconfig.file=/Users/.../para/application.conf target/para-1.40.0.jar

rakurakupg

@rakurakupg

It can work with command in your last post . Thank you ~

Lemon

@liuguangmao

How can I manage the data

Alex Bogdanovski

@albogdano

try with https://console.paraio.org

Lemon

@liuguangmao

Ok thanks

Alex Bogdanovski

@albogdano

there's also npm i -g para-cli

Lemon

@liuguangmao

OK I'll try

Thank u

Alex Bogdanovski

@albogdano

you're welcome!

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