adding prisma

prisma/encounter.prisma

@@ -0,0 +1,74 @@
+// FHIR Encounter Resource Prisma Schema
+// Based on https://www.hl7.org/fhir/encounter.html
+
+// Reusing composite types defined previously
+
+model Encounter {
+    id              String                    @id @map("_id")
+    identifier      Identifier[]
+    status          String // planned | arrived | triaged | in-progress | onleave | finished | cancelled
+    statusHistory   EncounterStatusHistory[]
+    class           Coding
+    classHistory    EncounterClassHistory[]
+    type            CodeableConcept[]
+    serviceType     CodeableConcept?
+    priority        CodeableConcept?
+    subject         Reference? // Reference to Patient, Group, Device, etc.
+    episodeOfCare   Reference[] // Reference to EpisodeOfCare
+    basedOn         Reference[] // Reference to ServiceRequest
+    participant     EncounterParticipant[]
+    appointment     Reference[] // Reference to Appointment
+    period          Period?
+    length          Duration?
+    reasonCode      CodeableConcept[]
+    reasonReference Reference[] // Reference to Condition, Procedure, etc.
+    diagnosis       EncounterDiagnosis[]
+    account         Reference[] // Reference to Account
+    hospitalization EncounterHospitalization?
+    location        EncounterLocation[]
+    serviceProvider Reference? // Reference to Organization
+    partOf          Reference? // Reference to another Encounter
+}
+
+// Encounter-specific composite types
+
+type EncounterStatusHistory {
+    status String // planned | arrived | triaged | in-progress | onleave | finished | cancelled
+    period Period
+}
+
+type EncounterClassHistory {
+    class  Coding
+    period Period
+}
+
+type EncounterParticipant {
+    type       CodeableConcept[]
+    period     Period?
+    individual Reference? // Reference to Practitioner, PractitionerRole, RelatedPerson
+}
+
+type EncounterDiagnosis {
+    condition Reference // Reference to Condition, Procedure
+    use       CodeableConcept?
+    rank      Int?
+}
+
+type EncounterHospitalization {
+    preAdmissionIdentifier Identifier?
+    origin                 Reference? // Reference to Location, Organization
+    admitSource            CodeableConcept?
+    reAdmission            CodeableConcept?
+    dietPreference         CodeableConcept[]
+    specialCourtesy        CodeableConcept[]
+    specialArrangement     CodeableConcept[]
+    destination            Reference? // Reference to Location, Organization
+    dischargeDisposition   CodeableConcept?
+}
+
+type EncounterLocation {
+    location     Reference // Reference to Location
+    status       String? // planned | active | reserved | completed
+    physicalType CodeableConcept?
+    period       Period?
+}