76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
package services
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import (
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"errors"
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"strings"
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)
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// What a merchant is allowed to change about their own business.
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//
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// An allowlist, and it has to be one. The obvious implementation — hand the
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// parsed body to GORM's `Updates` — would let anyone who can reach the endpoint
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// set `approved`, `status`, `partnerid`, `partneruserid`, `moduleid`,
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// `configid` or `tenanttoken` on their own record: approve themselves onto the
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// platform, move themselves under another partner, or reassign their billing.
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// None of those belong to the merchant, and none of them are things a UI would
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// ever send, which is exactly what makes the omission easy to miss.
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//
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// So the fields are named here, once, and the repository writes nothing it is
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// not given. Anything absent from this map is untouched rather than blanked —
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// a profile form that renders four fields must not erase the twenty it did not.
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//
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// `tenantid` is deliberately absent too: it identifies the row, it is never a
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// value to be written.
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var editableTenantFields = map[string]bool{
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// What a shopper sees.
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"tenantname": true,
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"tenantimage": true,
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"tenantinfo": true,
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// How to reach the business.
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"primaryemail": true,
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"primarycontact": true,
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"companyname": true,
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// Where it is.
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"address": true,
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"suburb": true,
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"city": true,
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"state": true,
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"postcode": true,
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"latitude": true,
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"longitude": true,
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// Legal and trading terms.
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"registrationno": true,
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"licenseno": true,
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"minorder": true,
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"subcategoryid": true,
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}
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// TenantProfileUpdate reduces a request to the fields a merchant may set.
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//
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// Returns an error rather than an empty map when nothing survives: a write that
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// changes nothing and reports success is indistinguishable from one that
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// worked, and the caller would go on believing their licence number was saved.
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func TenantProfileUpdate(fields map[string]any) (map[string]any, error) {
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clean := make(map[string]any, len(fields))
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for key, value := range fields {
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lower := strings.ToLower(strings.TrimSpace(key))
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if !editableTenantFields[lower] {
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continue
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}
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// A blank string is "not supplied", not "erase it". The profile form
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// sends every field it renders on every save, so honouring blanks would
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// let a half-filled form wipe an address somebody typed last month.
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if text, ok := value.(string); ok && strings.TrimSpace(text) == "" {
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continue
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}
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clean[lower] = value
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}
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if len(clean) == 0 {
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return nil, errors.New("nothing to update — no editable field was supplied")
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}
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return clean, nil
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}
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