Anyone knows how to have a computed property in Pr...
# prisma-whats-newp
patrick_madx
03/29/2018, 12:59 PMAnyone knows how to have a computed property in Prisma? E.g. , my datamodel looks something like:
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type Quotation {
id: ID! @unique
costs: [Cost!]!
prices: [Float!]! // Sum of costs
}
type Cost {
...
values: [Float!]!
currency: String!
} Copy code
export const Quotation = {
prices: async (parent, args, ctx: Context, info) => {
return [1,2,3]
},
}patrick_madx
03/29/2018, 1:00 PMmore specifically, the parent and/or the args seem empty
patrick_madx
03/29/2018, 1:40 PMwel... it's only empty when I don't add stuff like an id in the query, e.g.:
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quotations {
id
prices
}patrick_madx
03/29/2018, 1:43 PMwhich completely makes sense 🙂 but I have no clue which pattern to use such that this would work
patrick_madx
03/29/2018, 1:43 PMpatrick_madx
03/29/2018, 1:43 PMBut that won't work (yet)
v
Vakrim
03/29/2018, 2:37 PMp
patrick_madx
03/29/2018, 2:41 PM😮 😮 very nice
patrick_madx
03/29/2018, 2:41 PMso the fragment was the missing piece
patrick_madx
03/29/2018, 3:06 PMI'm still trying to figure out what this means:
patrick_madx
03/29/2018, 3:07 PMfragment NumRatings on Place { id }patrick_madx
03/29/2018, 3:07 PMHow is Home related to Place? I don't see any relation in the schema
patrick_madx
03/29/2018, 3:08 PMor... a better question would be, what should i put here:
patrick_madx
03/29/2018, 3:08 PM Copy code
export const Quotation = {
prices: {
fragment: `???`,
resolve: async (parent, args, ctx: Context, info) => {
console.log(parent)
return null
}
}
}patrick_madx
03/29/2018, 3:31 PM@Vakrim? 🙂 or should I ask @schickling?
patrick_madx
03/29/2018, 3:35 PMAhhh 😄 I see fragmentreplacers in the index, seems to be working now!
n
nilan
03/30/2018, 12:44 PM@patrick_madx iirc
HomePlacep
patrick_madx
03/30/2018, 1:29 PMOh now I get it 🙂 Makes sense
patrick_madx
03/30/2018, 1:29 PMI got it to work with the fragments btw 🙂
patrick_madx
03/30/2018, 1:29 PMLovely work on the prisma part
patrick_madx
03/30/2018, 1:30 PM Copy code
export const Quotation = {
prices: {
fragment: `fragment LaneQuotationPrice on Quotation { id }`,
resolve: async ({ id }, args, ctx: Context, info) => {
return await calculateContainerPrice(ctx.db, id)
}
}
}👍 1
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