bug: allow default values for input arguments.

[laststylebender14]

Prerequisites

• [ ] I have checked the existing issues to ensure this is not a duplicate.
• [ ] I am running the latest version of Tailcall.

Describe the bug

currently the default values passed to input arguments are not used to query the data.

Expected behavior

1. In following example, we pass 1 as default value to id.

type Query {
  user(id: Int = 1): User @http(path: "/users/{{.args.id}}")
}

2. when we make request from playground with following query then default id should be taken into account and request with default id should be made.

# client(playground) side query.
query {
 user {
     name  
  }
}

request made to upstream : http://jsonplaceholder.typicode.com/users/1

Actual behavior

1. In following example, we pass 1 as default value to id.

type Query {
  user(id: Int = 1): User @http(path: "/users/{{.args.id}}")
}

2. but when we make request from playground with following query then default id is not taken into account and request without id is made.

# client(playground) side query.
query {
 user {
     name  
  }
}

request made to upstream : http://jsonplaceholder.typicode.com/users/

[tusharmath]

/bounty 100$

[algora-pbc[bot]]

💎 $100 bounty • Tailcall Inc.

Steps to solve:

1. Start working: Comment /attempt #1931 with your implementation plan
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Attempt	Started (GMT+0)	Solution
🟢 @ssddOnTop	May 13, 2024, 1:39:44 PM	WIP

[tusharmath]

This is a simple fix. We need a way to specify default arguments in config. Store them in the blueprint, and then eventually while creating schema, copy them there.

[ssddOnTop]

/attempt

Algora profile	Completed bounties	Tech	Active attempts	Options
@ssddOnTop	43 tailcallhq bounties	Rust, Java, C & more		Cancel attempt

[algora-pbc[bot]]

💡 @ssddOnTop submitted a pull request that claims the bounty. You can visit your bounty board to reward.

[ssddOnTop]

there is an issue with async-graphql as well, I raised a PR https://github.com/async-graphql/async-graphql/pull/1527 there if it gets merged, I'll finish touchups for this issue.

[tusharmath]

/tip $100 @ssddOnTop

[algora-pbc[bot]]

🎉🎈 @ssddOnTop has been awarded $100! 🎈🎊

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