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Commit 022ae5f0 authored by Manuel's avatar Manuel
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Revert "[reputation_calculation] updated deployment" 

This reverts commit 13f19551.
parent 82d0e4fd
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Showing with 1168 additions and 16 deletions
src/data-hub/reputation-calculation-microservice/app/configs/routes.yml 0 → 100644
View file @ 022ae5f0
paths:
#####
# Contexts
#####
/use-cases/{use_case}/contexts:
get:
operationId: "lib.routes.context.all_for_use_case"
tags:
- "Context"
summary: "Get all contexts for a use case"
description: "Get all contexts for a use case"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Contexts belongs to"
required: true
type: "string"
responses:
"200":
description: "OK"
schema:
type: array
$ref: '#/definitions/ContextArray'
"404":
description: "Use-Case was not found"
post:
operationId: "lib.routes.context.add"
tags:
- "Context"
summary: "Adds a new context to the system"
description: "Adds a new context to the system"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Contexts belongs to"
required: true
type: "string"
- in: body
name: "Object"
required: true
schema:
$ref: '#/definitions/Context'
responses:
"200":
description: "Context was successfully added"
#####
# Trust Adapters
#####
/use-cases/{use_case}/contexts/{context}/trust-adapters:
get:
operationId: "lib.routes.trust_adapter.all_for_use_case_and_context"
tags:
- "Trust Adapter"
summary: "Get all trust adapters for a use case"
description: "Get all trust adapters for a use case"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Trust-Adapter belongs to"
required: true
type: "string"
- name: "context"
in: "path"
description: "Name of the Context the Trust-Adapter belongs to"
required: true
type: "string"
responses:
"200":
description: "OK"
schema:
type: array
$ref: '#/definitions/TrustAdapterArray'
"404":
description: "Use-Case or Context was not found"
post:
operationId: "lib.routes.trust_adapter.add"
tags:
- "Trust Adapter"
summary: "Add a new trust adapters to a use case/context"
description: "Add a new trust adapters to a use case/context"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Trust-Adapter belongs to"
required: true
type: "string"
- name: "context"
in: "path"
description: "Name of the Context the Trust-Adapter belongs to"
required: true
type: "string"
- in: body
name: "Object"
required: true
schema:
$ref: '#/definitions/TrustAdapter'
responses:
"200":
description: "OK"
"404":
description: "Use-Case or Context was not found"
#####
# Users
#####
/use-cases/{use_case}/users:
get:
operationId: "lib.routes.user.all_for_use_case"
tags:
- "User"
summary: "Get all users for a use case"
description: "Get all users for a use case"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the User belongs to"
required: true
type: "string"
responses:
"200":
description: "OK"
schema:
type: array
$ref: '#/definitions/UserArray'
"404":
description: "Use-Case was not found"
"400":
description: "Wrong or missing parameters"
post:
operationId: "lib.routes.user.add"
tags:
- "User"
summary: "Adds a new user to the system"
description: "Adds a new user to the system"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Contexts belongs to"
required: true
type: "string"
- in: body
name: "Object"
required: true
schema:
$ref: '#/definitions/UserBlank'
responses:
"200":
description: "User was successfully added"
#####
# TRACES
#####
/use-cases/{use_case}/table/{table}/traces:
# get:
# operationId: "lib.routes.user.all_for_use_case"
# tags:
# - "User"
# summary: "Get all users for a use case"
# description: "Get all users for a use case"
# parameters:
# - name: "use_case"
# in: "path"
# description: "Name of the Use-Case the User belongs to"
# required: true
# type: "string"
# responses:
# "200":
# description: "OK"
# schema:
# type: array
# $ref: '#/definitions/UserArray'
# "404":
# description: "Use-Case was not found"
# "400":
# description: "Wrong or missing parameters"
post:
operationId: "lib.routes.traces.add"
tags:
- "Trace"
summary: "Adds a new user to the system"
description: "Adds a new user to the system"
parameters:
- name: "use_case"
in: "path"
description: "Name of the Use-Case the Trace belongs to"
required: true
type: "string"
- name: "table"
in: "path"
description: "Name of the Table the Trace belongs to"
required: true
type: "string"
- in: body
name: "Object"
required: true
schema:
$ref: '#/definitions/Trace'
responses:
"200":
description: "User was successfully added"
# DEBUG
/debug:
post:
operationId: "debug.echo"
tags:
- "Echo"
summary: "Echo function for debugging purposes"
description: "Echoes the input back to the caller."
parameters:
- in: body
name: "Object"
required: true
schema:
type: object
responses:
"200":
description: "Successful echo of request data"
#####
# DEFINITIONS
#####
definitions:
ContextArray:
type: "array"
items:
$ref: "#/definitions/Context"
Context:
type: "object"
required:
- use_case
- name
properties:
use_case:
type: string
example: "car-sharing"
name:
type: string
example: "context1"
TrustAdapterArray:
type: "array"
items:
$ref: "#/definitions/TrustAdapter"
TrustAdapter:
type: "object"
required:
- use_case
- context
- table
- user_source
- volume_source
- rating_source
- rating_lower
- rating_upper
- conversion
- certainty
- cutoff
- bias_positive
- bias_negative
properties:
use_case:
type: string
example: "car-sharing"
context:
type: string
example: "context1"
table:
type: string
example: "travel"
user_source:
type: string
example: "user"
volume_source:
type: string
example: "price"
rating_source:
type: string
example: "rating"
rating_lower:
type: number
format: integer
example: 1
rating_upper:
type: number
format: integer
example: 5
conversion:
type: number
format: float
example: 100.50
certainty:
type: number
format: float
minimum: 0
maximum: 1
example: 0.75
cutoff:
type: number
format: float
example: 8.0
bias_negative:
type: number
format: float
example: 1
bias_positive:
type: number
format: float
example: 1
UserArray:
type: "array"
items:
$ref: "#/definitions/User"
User:
type: "object"
required:
- use_case
- name
- context_trust
properties:
use_case:
type: string
example: "car-sharing"
name:
type: string
example: "Alice"
context_trust:
type: array
items:
$ref: "#/definitions/UserTrust"
UserBlank:
type: "object"
required:
- use_case
- name
properties:
use_case:
type: string
example: "car-sharing"
name:
type: string
example: "Alice"
UserTrust:
type: "object"
required:
- use_case
- context
- user
- t
- last_update
properties:
use_case:
type: string
example: "car-sharing"
context:
type: string
example: "context1"
user:
type: string
example: "Alice"
t:
type: number
format: float
example: 0.0051
last_update:
type: string
example: "2021-07-05T17:53:20.517500"
TrustTrace:
type: "object"
required:
- use_case
- context
- user
- table
- volume
- trustworthy
- timestamp
properties:
use_case:
type: string
example: "car-sharing"
context:
type: string
example: "context1"
user:
type: string
example: "Alice"
table:
type: string
example: "travel"
volume:
type: number
format: float
example: 12.1524
trustworthy:
type: number
format: float
minimum: -1
maximum: 1
timestamp:
type: string
example: "2021-07-05T17:53:20.517500"
Trace:
type: "object"
required:
- use_case
- table
- properties
properties:
use_case:
type: string
example: "car-sharing"
table:
type: string
example: "travel"
properties:
type: object
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/configs/swagger_local.yml 0 → 100644
View file @ 022ae5f0
swagger: "2.0"
info:
title: Reputation Calculation microservice
description: This is the documentation for the reputation calculation microservice.
version: "1.0.0"
consumes:
- "application/json"
produces:
- "application/json"
basePath: "/api"
# Import security definitions from seperate file
securityDefinitions:
$ref: '../../../../modules/security/security_local.yml#securityDefinitions'
paths:
$ref: 'routes.yml#paths'
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/debug.py 0 → 100644
View file @ 022ae5f0
from flask import request
def echo():
return request.json
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/database/entities/context.py 0 → 100644
View file @ 022ae5f0
from typing import Dict
class Context:
def __init__(self, use_case:str, name:str):
self.use_case = use_case
self.name = name
def to_serializable_dict(self):
return {
"use_case": self.use_case,
"name": self.name
}
@staticmethod
def from_serializable_dict(data: Dict):
if "use_case" not in data.keys() or "name" not in data.keys():
raise ValueError("Missing fields!")
return Context(data["use_case"], data["name"])
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/database/entities/trust_adapter.py 0 → 100644
View file @ 022ae5f0
from typing import Dict
class TrustAdapter:
def __init__(self, use_case: str, context: str, table: str, user_source: str, volume_source: str,
rating_source: str, rating_lower: float, rating_upper: float, conversion: float,
certainty: float, cutoff: float, bias_negative: float, bias_positive: float):
self.use_case = use_case
self.context = context
self.table = table
self.user_source = user_source
self.volume_source = volume_source
self.rating_source = rating_source
self.rating_lower = rating_lower
self.rating_upper = rating_upper
self.conversion = conversion
self.certainty = certainty
self.cutoff = cutoff
self.bias_negative = bias_negative
self.bias_positive = bias_positive
def to_serializable_dict(self):
return {
"use_case": self.use_case,
"context": self.context,
"table": self.table,
"user_source": self.user_source,
"volume_source": self.volume_source,
"rating_source": self.rating_source,
"rating_lower": self.rating_lower,
"rating_upper": self.rating_upper,
"conversion": self.conversion,
"certainty": self.certainty,
"cutoff": self.cutoff,
"bias_negative": self.bias_negative,
"bias_positive": self.bias_positive
}
@staticmethod
def from_serializable_dict(data: Dict):
if "use_case" not in data.keys() or "context" not in data.keys() or "table" not in data.keys() or "user_source" not in data.keys() or "volume_source" not in data.keys() or "rating_source" not in data.keys() or "conversion" not in data.keys() or "certainty" not in data.keys() or "cutoff" not in data.keys() or "bias_negative" not in data.keys() or "bias_positive" not in data.keys():
raise ValueError("Missing fields for TrustAdapter!")
return TrustAdapter(
data["use_case"],
data["context"],
data["table"],
data["user_source"],
data["volume_source"],
data["rating_source"],
data["rating_lower"],
data["rating_upper"],
data["conversion"],
data["certainty"],
data["cutoff"],
data["bias_negative"],
data["bias_positive"],
)
src/data-hub/reputation-calculation-microservice/app/lib/database/entities/trust_trace.py 0 → 100644
View file @ 022ae5f0
from datetime import datetime
from lib.trust.transaction import Transaction
from typing import Dict
class TrustTrace(Transaction):
def __init__(self, use_case: str, context: str, user: str, table: str, volume: float, timestamp: datetime, is_trustworthy: float = 1):
super().__init__(timestamp, volume, is_trustworthy=is_trustworthy)
self.use_case = use_case
self.context = context
self.user = user
self.table = table
def to_serializable_dict(self):
return {
"volume": self.volume,
"trustworthy": self.trustworthy,
"timestamp": self.timestamp.isoformat(),
"use_case": self.use_case,
"context": self.context,
"user": self.user,
"table": self.table,
}
@staticmethod
def from_serializable_dict(data: Dict):
if "volume" not in data.keys() or "trustworthy" not in data.keys() or "timestamp" not in data.keys() or "use_case" not in data.keys() or "context" not in data.keys() or "user" not in data.keys() or "table" not in data.keys():
raise ValueError("Missing fields for User!")
return TrustTrace(
data["use_case"],
data["context"],
data["table"],
data["volume"],
datetime.fromisoformat(data["timestamp"]),
is_trustworthy=data["trustworthy"]
)
src/data-hub/reputation-calculation-microservice/app/lib/database/entities/user.py 0 → 100644
View file @ 022ae5f0
from lib.database.entities.user_trust import UserTrust
from datetime import datetime
from typing import Dict, List
class User:
def __init__(self, use_case: str, name: str, context_trust: List[UserTrust] = []):
self.use_case = use_case
self.name = name
self.context_trust = context_trust
def to_serializable_dict(self, include_trust: bool = False):
if include_trust:
return {
"use_case": self.use_case,
"name": self.name,
"context_trust": [t.to_serializable_dict() for t in self.context_trust]
}
else:
return {
"use_case": self.use_case,
"name": self.name
}
@staticmethod
def from_serializable_dict(data: Dict):
if "use_case" not in data.keys() or "name" not in data.keys():
raise ValueError("Missing fields for User!")
return User(data["use_case"], data["name"])
src/data-hub/reputation-calculation-microservice/app/lib/database/entities/user_trust.py 0 → 100644
View file @ 022ae5f0
from datetime import datetime
from typing import Dict
class UserTrust:
def __init__(self, use_case: str, context: str, user: str, t: float, last_update: datetime):
self.use_case = use_case
self.context = context
self.user = user
self.t = t
self.last_update = last_update
def to_serializable_dict(self):
return {
"use_case": self.use_case,
"context": self.context,
"user": self.user,
"t": self.t,
"last_update": self.last_update
}
@staticmethod
def from_serializable_dict(data: Dict):
if "use_case" not in data.keys() or "context" not in data.keys() or "user" not in data.keys() or "t" not in data.keys() or "last_update" not in data.keys():
raise ValueError("Missing fields for User!")
return UserTrust(data["use_case"], data["context"], data["user"], data["t"], data["last_update"])
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/database/repositories/context_repository.py 0 → 100644
View file @ 022ae5f0
# global imports (dont't worry, red is normal)
import network_constants as netconst
from database.MongoRepositoryBase import MongoRepositoryBase
from lib.database.entities.context import Context
from typing import List, Dict
class ContextRepository(MongoRepositoryBase):
'''This is a repository for MongoDb.'''
def __init__(self):
super().__init__(netconst.REPUTATION_CALCULATION_DB_HOSTNAME,
netconst.REPUTATION_CALCULATION_DB_PORT,
'reputation-computation-db')
self._collection = 'context'
def add(self, context: Context):
super().insert_entry(self._collection, context.to_serializable_dict())
def all(self) -> List[Dict]:
result = super().get_entries(self._collection, projection={'_id': False})
return list(result)
def all_for_use_case(self, use_case: str) -> List[Dict]:
result = super().get_entries(self._collection, projection={'_id': False}, selection={"use_case": use_case})
return list(result)
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/database/repositories/trust_adapter_repository.py 0 → 100644
View file @ 022ae5f0
# global imports (dont't worry, red is normal)
import network_constants as netconst
from database.MongoRepositoryBase import MongoRepositoryBase
from lib.database.entities.trust_adapter import TrustAdapter
from typing import List, Dict
class TrustAdapterRepository(MongoRepositoryBase):
'''This is a repository for MongoDb.'''
def __init__(self):
super().__init__(netconst.REPUTATION_CALCULATION_DB_HOSTNAME,
netconst.REPUTATION_CALCULATION_DB_PORT,
'reputation-computation-db')
self._collection = 'trust_adapter'
def add(self, adapter: TrustAdapter):
super().insert_entry(self._collection, adapter.to_serializable_dict())
def all(self) -> List[Dict]:
result = super().get_entries(self._collection, projection={'_id': False})
return list(result)
def all_for_use_case_and_context(self, use_case: str, context: str) -> List[Dict]:
result = super().get_entries(
self._collection,
projection={'_id': False},
selection={"use_case": use_case, "context": context}
)
return list(result)
def all_for_use_case_and_table(self, use_case: str, table: str) -> List[Dict]:
result = super().get_entries(
self._collection,
projection={'_id': False},
selection={"use_case": use_case, "table": table}
)
return list(result)
def one_for_use_case_and_context_and_table(self, use_case: str, context: str, table: str) -> Dict:
result = super().get_entries(
self._collection,
projection={'_id': False},
selection={"use_case": use_case, "context": context, "table": table}
)
result = list(result)
if len(result) != 1:
return None
return result[0]
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/database/repositories/trust_trace_repository.py 0 → 100644
View file @ 022ae5f0
# global imports (dont't worry, red is normal)
import network_constants as netconst
from database.MongoRepositoryBase import MongoRepositoryBase
from lib.database.entities.trust_trace import TrustTrace
from typing import List, Dict
class TrustTraceRepository(MongoRepositoryBase):
'''This is a repository for MongoDb.'''
def __init__(self):
super().__init__(netconst.REPUTATION_CALCULATION_DB_HOSTNAME,
netconst.REPUTATION_CALCULATION_DB_PORT,
'reputation-computation-db')
self._collection = 'trust_trace'
def add(self, trace: TrustTrace):
super().insert_entry(self._collection, trace.to_serializable_dict())
def all(self) -> List[Dict]:
result = super().get_entries(
self._collection, projection={'_id': False})
return list(result)
def all_for_use_case_and_context(self, use_case: str, context: str) -> List[Dict]:
result = super().get_entries(
self._collection,
projection={'_id': False},
selection={"use_case": use_case, "context": context}
)
return list(result)
src/data-hub/reputation-calculation-microservice/app/lib/database/repositories/user_repository.py 0 → 100644
View file @ 022ae5f0
# global imports (dont't worry, red is normal)
import network_constants as netconst
from database.MongoRepositoryBase import MongoRepositoryBase
from lib.database.entities.user import User
from lib.database.entities.user_trust import UserTrust
from lib.database.repositories.user_trust_repository import UserTrustRepository
from typing import List, Dict
class UserRepository(MongoRepositoryBase):
'''This is a repository for MongoDb.'''
_user_trust_repository = UserTrustRepository()
def __init__(self):
super().__init__(netconst.REPUTATION_CALCULATION_DB_HOSTNAME,
netconst.REPUTATION_CALCULATION_DB_PORT,
'reputation-computation-db')
self._collection = 'user'
def add(self, user: User):
super().insert_entry(self._collection, user.to_serializable_dict())
def all(self) -> List[User]:
result = super().get_entries(
self._collection, projection={'_id': False})
result = [User.from_serializable_dict(row) for row in list(result)]
for user in result:
self._enrich_user(user)
return result
def all_for_use_case(self, use_case: str) -> List[User]:
result = super().get_entries(self._collection, projection={
'_id': False}, selection={"use_case": use_case})
result = [User.from_serializable_dict(row) for row in list(result)]
for user in result:
self._enrich_user(user)
return result
def one_by_use_case_and_username(self, use_case: str, username: str) -> User:
result = list(super().get_entries(self._collection, projection={
'_id': False}, selection={"use_case": use_case, "name": username}))
if len(result) != 1:
return None
user: User = User.from_serializable_dict(result[0])
self._enrich_user(user)
return user
def _enrich_user(self, user: User) -> User:
user.context_trust = self._user_trust_repository.all_for_user(user)
src/data-hub/reputation-calculation-microservice/app/lib/database/repositories/user_trust_repository.py 0 → 100644
View file @ 022ae5f0
# global imports (dont't worry, red is normal)
import network_constants as netconst
from database.MongoRepositoryBase import MongoRepositoryBase
from lib.database.entities.user import User
from lib.database.entities.user_trust import UserTrust
from typing import List, Dict
class UserTrustRepository(MongoRepositoryBase):
'''This is a repository for MongoDb.'''
def __init__(self):
super().__init__(netconst.REPUTATION_CALCULATION_DB_HOSTNAME,
netconst.REPUTATION_CALCULATION_DB_PORT,
'reputation-computation-db')
self._collection = 'user_trust'
def add(self, user_trust: UserTrust):
super().insert_entry(self._collection, user_trust.to_serializable_dict())
def all(self) -> List[UserTrust]:
result = super().get_entries(
self._collection, projection={'_id': False})
return [UserTrust.from_serializable_dict(row) for row in list(result)]
def all_for_use_case(self, use_case: str) -> List[UserTrust]:
result = super().get_entries(self._collection, projection={
'_id': False}, selection={"use_case": use_case})
return [UserTrust.from_serializable_dict(row) for row in list(result)]
def all_for_user(self, user: User) -> List[UserTrust]:
result = super().get_entries(self._collection, projection={
'_id': False}, selection={"use_case": user.use_case, "user": user.name})
return [UserTrust.from_serializable_dict(row) for row in list(result)]
def one_for_user_and_context(self, user: User, context: str) -> UserTrust:
result = super().get_entries(self._collection, projection={'_id': False}, selection={
"use_case": user.use_case, "user": user.name, "context": context})
result = list(result)
if len(result) != 1:
return None
return UserTrust.from_serializable_dict(result[0])
def update(self, user_trust: UserTrust):
collection = self._database[self._collection]
collection.update_one({"use_case": user_trust.use_case, "context": user_trust.context, "user": user_trust.user}, {
"$set": user_trust.to_serializable_dict()})
src/data-hub/reputation-calculation-microservice/app/lib/routes/context.py 0 → 100644
View file @ 022ae5f0
from lib.database.entities.context import Context
from lib.database.repositories.context_repository import ContextRepository
from flask import request, Response
context_repository: ContextRepository = ContextRepository()
def add(use_case: str):
data = request.json
context_new = None
try:
context_new = Context.from_serializable_dict(data)
except ValueError:
return Response(status=400, response="Missing fields in request")
if context_new.use_case != use_case:
return Response(status = 400, response="Use-Cases in body and url do not match!")
context_repository.add(context_new)
return context_new.to_serializable_dict()
def all_for_use_case(use_case: str):
return context_repository.all_for_use_case(use_case)
src/data-hub/reputation-calculation-microservice/app/lib/routes/traces.py 0 → 100644
View file @ 022ae5f0
from lib.services.trust_service import TrustService
from typing import Dict
from flask import request, Response
from lib.database.repositories.trust_adapter_repository import TrustAdapterRepository
from lib.database.repositories.user_repository import UserRepository
from lib.database.repositories.user_trust_repository import UserTrustRepository
from lib.database.repositories.trust_trace_repository import TrustTraceRepository
trust_service: TrustService = TrustService(
TrustAdapterRepository(),
UserRepository(),
UserTrustRepository(),
TrustTraceRepository()
)
def add(use_case: str, table: str):
data: Dict = request.json
trust_service.updateSystem(use_case, table, data["properties"])
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/routes/trust_adapter.py 0 → 100644
View file @ 022ae5f0
from lib.database.repositories.context_repository import ContextRepository
from lib.database.entities.context import Context
from lib.database.entities.trust_adapter import TrustAdapter
from lib.database.repositories.context_repository import ContextRepository
from lib.database.repositories.trust_adapter_repository import TrustAdapterRepository
from flask import request, Response
from typing import List
context_repository: ContextRepository = ContextRepository()
trust_adapter_repository: TrustAdapterRepository = TrustAdapterRepository()
def add(use_case: str, context: str):
_ensure_context_exists_for_use_case(use_case, context)
data = request.json
adapter_new: TrustAdapter = None
try:
adapter_new = TrustAdapter.from_serializable_dict(data)
except ValueError:
return Response(status=400, response="Missing fields in request")
if adapter_new.context != context:
return Response(status=400, response="Context in body and url do not match!")
if adapter_new.use_case != use_case:
return Response(status=400, response="Use-Cases in body and url do not match!")
adapter_reference = trust_adapter_repository.one_for_use_case_and_context_and_table(
use_case, context, adapter_new.table)
if adapter_reference != None:
return Response(status=400, response="There already exists a TrustAdapter for this use-case/context/table")
trust_adapter_repository.add(adapter_new)
return adapter_new.to_serializable_dict()
def all_for_use_case_and_context(use_case: str, context: str):
_ensure_context_exists_for_use_case(use_case, context)
return trust_adapter_repository.all_for_use_case_and_context(use_case, context)
def _ensure_context_exists_for_use_case(use_case: str, context: str) -> Context:
contexts: List[Context] = context_repository.all_for_use_case(use_case)
target_context = None
for c in contexts:
if c["name"] == context:
target_context = c
break
if target_context == None:
return Response(status=404, response=f"Context {context} not found!")
return Context.from_serializable_dict(target_context)
src/data-hub/reputation-calculation-microservice/app/lib/routes/user.py 0 → 100644
View file @ 022ae5f0
from lib.database.entities.user import User
from lib.database.repositories.user_repository import UserRepository
from flask import request, Response
user_repository: UserRepository = UserRepository()
def add(use_case: str):
data = request.json
user_new = None
try:
user_new = User.from_serializable_dict(data)
except ValueError:
return Response(status=400, response="Missing fields in request")
if user_new.use_case != use_case:
return Response(status = 400, response="Use-Cases in body and url do not match!")
user_repository.add(user_new)
return user_new.to_serializable_dict()
def all_for_use_case(use_case: str):
return [user.to_serializable_dict(include_trust=True) for user in user_repository.all_for_use_case(use_case)]
src/data-hub/reputation-calculation-microservice/app/lib/services/trust_service.py 0 → 100644
View file @ 022ae5f0
from lib.database.entities.trust_trace import TrustTrace
from lib.database.entities.user_trust import UserTrust
from lib.trust.oracle import TrustOracle
from lib.database.entities.trust_adapter import TrustAdapter
from lib.database.entities.user import User
from typing import Dict, List
import logging
from datetime import datetime
LOGGER = logging.getLogger(__name__)
class TrustService:
def __init__(self, adapter_repository, user_repository, user_trust_repository, trust_trace_repository):
self._adapter_repository = adapter_repository
self._user_repository = user_repository
self._user_trust_repository = user_trust_repository
self._trust_trace_repository = trust_trace_repository
def updateSystem(self, use_case: str, table: str, properties: Dict):
adapters: List[TrustAdapter] = [TrustAdapter.from_serializable_dict(row) for row in self._adapter_repository.all_for_use_case_and_table(
use_case, table)]
if len(adapters) == 0:
LOGGER.warning(
f"No Trust-Adapters found for Trace(use-case:{use_case}, table:{table}), aborting...")
return
for adapter in adapters:
if adapter.user_source not in properties.keys() or adapter.volume_source not in properties.keys() or adapter.rating_source not in properties.keys():
raise ValueError(
f"Trace does not contain needed fields for trust-computation. Required fields: {adapter.user_source}, {adapter.volume_source}. Present fields: {properties.keys()}")
username: str = properties[adapter.user_source]
volume: float = properties[adapter.volume_source]
rating: float = properties[adapter.rating_source]
# retrieve user (create one if it doesnt exist)
user: User = self._user_repository.one_by_use_case_and_username(
use_case, username)
if user == None:
user = User(use_case, username)
self._user_repository.add(user)
trace: TrustTrace = TrustTrace(
use_case,
adapter.context,
user.name,
adapter.table,
volume,
datetime.now(),
is_trustworthy=(((rating - adapter.rating_lower) /
(adapter.rating_upper - adapter.rating_lower)) * 2) - 1
)
# retrieve user_trust for the trace (create one if it doesnt exist)
target_trust: UserTrust = None
for user_trust in user.context_trust:
if user_trust.context == adapter.context:
target_trust = user_trust
break
if target_trust == None:
target_trust = UserTrust(
use_case, adapter.context, user.name, 0, datetime(1, 1, 1, 0, 0))
self._user_trust_repository.add(target_trust)
user.context_trust.append(target_trust)
oracle: TrustOracle = TrustOracle(
adapter.conversion, adapter.certainty)
delta_t = oracle.calculate_trust_single(trace)
target_trust.t += delta_t
target_trust.last_update = trace.timestamp
self._trust_trace_repository.add(trace)
self._user_trust_repository.update(target_trust)
src/data-hub/reputation-calculation-microservice/app/lib/trust/message_handler.py 0 → 100644
View file @ 022ae5f0
from lib.services.trust_service import TrustService
from typing import Dict
import json
import logging
LOGGER = logging.getLogger(__name__)
class MessageHandler:
def __init__(self, trust_adapter_repository, user_repository, user_trust_repository, trust_trace_repository):
self.trust_adapter_repository = trust_adapter_repository
self.user_repository = user_repository
self.user_trust_repository = user_trust_repository
self.trust_trace_repository = trust_trace_repository
def handle(self, body: str):
# decode the message
data: Dict = None
try:
data = json.loads(body)
except json.decoder.JSONDecodeError:
raise ValueError("Invalid Message: Not in JSON format")
if "type" not in data.keys() or "content" not in data.keys():
raise ValueError(
"Invalid Message: Missing fields \"type\" or \"content\"")
if data["type"] != "new-trace":
return
content: Dict = data["content"]
if "use_case" not in content.keys() or "table" not in content.keys() or "properties" not in content.keys():
raise ValueError(
"Invalid Message: Missing fields \"use_case\" or \"table\" or \"properties\"")
use_case: str = content["use_case"]
table: str = content["table"]
properties: Dict = content["properties"]
trust_service: TrustService = TrustService(
self.trust_adapter_repository,
self.user_repository,
self.user_trust_repository,
self.trust_trace_repository
)
trust_service.updateSystem(use_case, table, properties)
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/trust/node.py 0 → 100644
View file @ 022ae5f0
class Node:
def __init__(self, initial_t=0):
self.t = initial_t
\ No newline at end of file
src/data-hub/reputation-calculation-microservice/app/lib/trust/oracle.py 0 → 100644
View file @ 022ae5f0
import math
from enum import Enum
from lib.trust.transaction import Transaction
from lib.trust.node import Node
from datetime import datetime
from typing import List, Dict
class TrustLabel(Enum):
UNTRUSTWORTHY = 1
UNSURE = 2
TRUSTWORTHY = 3
class TrustOracle:
def __init__(self, translate_value: float, knowledge_border: float):
# translates transaction volume into unitless x-axis value for sigmoid input
self.translate_value = translate_value
# nodes must reach a value of at least |trust(node)| = knowledge_border to get a definite label
self.knowledge_border = knowledge_border
def rate_node(self, node: Node) -> TrustLabel:
if node.t < -self.knowledge_border:
return TrustLabel.UNTRUSTWORTHY
if node.t > self.knowledge_border:
return TrustLabel.TRUSTWORTHY
return TrustLabel.UNSURE
def calculate_trust_single(self, node_transaction: Transaction):
return self.calculate_trust([node_transaction])
def calculate_trust(self, node_transactions: List[Transaction]):
trust_total = 0
for transaction in node_transactions:
transaction_t = abs(transaction.volume / self.translate_value)
trust_total += transaction_t
return self.translate_t_to_trust_value(trust_total)
def translate_t_to_trust_value(self, t_value: float):
# classic sigmoid function as in https://en.wikipedia.org/wiki/Sigmoid_function
sig = 1 / (1 + math.exp(-t_value))
# rescale it st.:
# values are between ]-1;1[
sig *= 2
sig -= 1
return sig
src/data-hub/reputation-calculation-microservice/app/lib/trust/transaction.py 0 → 100644
View file @ 022ae5f0
class Transaction:
def __init__(self, timestamp, volume=1, is_trustworthy: float = 1):
self.volume = volume
self.trustworthy = is_trustworthy
self.timestamp = timestamp
src/rest-gateway/deployment/deployment.yml
View file @ 022ae5f0
apiVersion: v1
kind: Service
metadata:
name: reputation-calculation
name: rest-gateway
spec:
type: LoadBalancer
selector:
app: reputation-calculation
app: rest-gateway
ports:
- name: http
port: 80
targetPort: 5000
nodePort: 30107
nodePort: 30401
protocol: TCP
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: reputation-calculation
name: rest-gateway
spec:
replicas: 1
selector:
matchLabels:
app: reputation-calculation
app: rest-gateway
template:
metadata:
labels:
app: reputation-calculation
app: rest-gateway
spec:
containers:
- name: reputation-calculation
image: alexx882/reputation-calculation-microservice
- name: rest-gateway
image: alexx882/rest-gateway
ports:
- containerPort: 5000
imagePullPolicy: Always
......@@ -45,34 +45,34 @@ spec:
apiVersion: v1
kind: Service
metadata:
name: reputation-calculation-db
name: rest-gateway-db
spec:
type: LoadBalancer
selector:
app: reputation-calculation-db
app: rest-gateway-db
ports:
- name: http
port: 27017
targetPort: 27017
nodePort: 30109
nodePort: 30402
protocol: TCP
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: reputation-calculation-db
name: rest-gateway-db
spec:
replicas: 1
selector:
matchLabels:
app: reputation-calculation-db
app: rest-gateway-db
template:
metadata:
labels:
app: reputation-calculation-db
app: rest-gateway-db
spec:
containers:
- name: reputation-calculation-db
- name: rest-gateway-db
image: mongo
env:
- name: MONGO_INITDB_ROOT_USERNAME
......@@ -85,4 +85,4 @@ spec:
- mountPath: /data/db
name: dbdata
volumes:
- name: dbdata
- name: dbdata
\ No newline at end of file
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