fasten-onprem/backend/pkg/web/handler/resource_fhir.go

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package handler
import (
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg"
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/database"
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/models"
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/utils"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"net/http"
"strings"
)
func ListResourceFhir(c *gin.Context) {
logger := c.MustGet(pkg.ContextKeyTypeLogger).(*logrus.Entry)
databaseRepo := c.MustGet(pkg.ContextKeyTypeDatabase).(database.DatabaseRepository)
listResourceQueryOptions := models.ListResourceQueryOptions{}
if len(c.Query("sourceResourceType")) > 0 {
listResourceQueryOptions.SourceResourceType = c.Query("sourceResourceType")
}
if len(c.Query("sourceID")) > 0 {
listResourceQueryOptions.SourceID = c.Query("sourceID")
}
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if len(c.Query("sourceResourceID")) > 0 {
listResourceQueryOptions.SourceResourceID = c.Query("sourceResourceID")
}
if len(c.Query("preloadRelated")) > 0 {
listResourceQueryOptions.PreloadRelated = true
}
wrappedResourceModels, err := databaseRepo.ListResources(c, listResourceQueryOptions)
if c.Query("sortBy") == "title" {
wrappedResourceModels = utils.SortResourceListByTitle(wrappedResourceModels)
} else {
wrappedResourceModels = utils.SortResourceListByDate(wrappedResourceModels)
}
if err != nil {
logger.Errorln("An error occurred while retrieving resources", err)
c.JSON(http.StatusInternalServerError, gin.H{"success": false})
return
}
c.JSON(http.StatusOK, gin.H{"success": true, "data": wrappedResourceModels})
}
//this endpoint retrieves a specific resource by its ID
func GetResourceFhir(c *gin.Context) {
logger := c.MustGet(pkg.ContextKeyTypeLogger).(*logrus.Entry)
databaseRepo := c.MustGet(pkg.ContextKeyTypeDatabase).(database.DatabaseRepository)
resourceId := strings.Trim(c.Param("resourceId"), "/")
sourceId := strings.Trim(c.Param("sourceId"), "/")
wrappedResourceModel, err := databaseRepo.GetResourceBySourceId(c, sourceId, resourceId)
if err != nil {
logger.Errorln("An error occurred while retrieving resource", err)
c.JSON(http.StatusInternalServerError, gin.H{"success": false})
return
}
c.JSON(http.StatusOK, gin.H{"success": true, "data": wrappedResourceModel})
}
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func CreateResourceComposition(c *gin.Context) {
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logger := c.MustGet(pkg.ContextKeyTypeLogger).(*logrus.Entry)
databaseRepo := c.MustGet(pkg.ContextKeyTypeDatabase).(database.DatabaseRepository)
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type jsonPayload struct {
Resources []*models.ResourceFhir `json:"resources"`
Title string `json:"title"`
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}
var payload jsonPayload
if err := c.ShouldBindJSON(&payload); err != nil {
logger.Errorln("An error occurred while parsing posted resources & title", err)
c.JSON(http.StatusBadRequest, gin.H{"success": false})
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return
}
err := databaseRepo.AddResourceComposition(c, payload.Title, payload.Resources)
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if err != nil {
logger.Errorln("An error occurred while creating resource group (composition)", err)
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c.JSON(http.StatusInternalServerError, gin.H{"success": false})
return
}
c.JSON(http.StatusOK, gin.H{"success": true})
}
// GetResourceFhirGraph
// Retrieve a list of all fhir resources (vertex), and a list of all associations (edge)
// Generate a graph
// find the PredecessorMap
// - filter to only vertices that are "Condition" or "Encounter" and are "root" nodes (have no edges directed to this node)
func GetResourceFhirGraph(c *gin.Context) {
logger := c.MustGet(pkg.ContextKeyTypeLogger).(*logrus.Entry)
databaseRepo := c.MustGet(pkg.ContextKeyTypeDatabase).(database.DatabaseRepository)
conditionResourceList, encounterResourceList, err := databaseRepo.GetFlattenedResourceGraph(c)
if err != nil {
logger.Errorln("An error occurred while retrieving list of resources", err)
c.JSON(http.StatusInternalServerError, gin.H{"success": false})
return
}
c.JSON(http.StatusOK, gin.H{"success": true, "data": map[string][]*models.ResourceFhir{
"Condition": conditionResourceList,
"Encounter": encounterResourceList,
}})
}