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Update part9c.md #3859

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18 changes: 9 additions & 9 deletions src/content/9/en/part9c.md
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Expand Up @@ -863,15 +863,7 @@ Simillarly the request parameter has the type _Request_ that is also a generic t

Similarly to Ilari's flight service, we do not use a real database in our app but instead use hardcoded data that is in the files [diagnoses.ts](https://github.com/fullstack-hy2020/misc/blob/master/diagnoses.ts) and [patients.ts](https://github.com/fullstack-hy2020/misc/blob/master/patients.ts). Get the files and store those in a directory called *data* in your project. All data modification can be done in runtime memory, so during this part, it is *not necessary to write to a file*.

#### 9.10: Patientor backend, step3

Create a type *Diagnosis* and use it to create endpoint */api/diagnoses* for fetching all diagnoses with HTTP GET.

Structure your code properly by using meaningfully-named directories and files.

**Note** that *diagnoses* may or may not contain the field *latin*. You might want to use [optional properties](https://www.typescriptlang.org/docs/handbook/2/everyday-types.html#optional-properties) in the type definition.

#### 9.11: Patientor backend, step4
#### 9.11: Patientor backend, step3

Create data type *Patient* and set up the GET endpoint */api/patients* which returns all the patients to the frontend, excluding field *ssn*. Use a [utility type](https://www.typescriptlang.org/docs/handbook/utility-types.html) to make sure you are selecting and returning only the wanted fields.

Expand All @@ -889,6 +881,14 @@ After creating the endpoint, ensure that the *frontend* shows the list of patien

<div class="content">

#### 9.10: Patientor backend, step4

Create a type *Diagnosis* and use it to create endpoint */api/diagnoses* for fetching all diagnoses with HTTP GET.

Structure your code properly by using meaningfully-named directories and files.

**Note** that *diagnoses* may or may not contain the field *latin*. You might want to use [optional properties](https://www.typescriptlang.org/docs/handbook/2/everyday-types.html#optional-properties) in the type definition.

### Preventing an accidental undefined result

Let's extend the backend to support fetching one specific entry with an HTTP GET request to route *api/diaries/:id*.
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